Calculation of the Balancing Resistors of the Wheatstone Bridge.

Vo1 mV Measured output voltage at zero load
Vs V Power voltage
R2-R4 Ohm Resistor value in the bridge
 
Resistor bridge   Recalculated R1 as per measured Vo1
R1 R2    
Ohm  
R4 R3    
Ohm  
 
Balancing  resistors   Parallel resistors to the R4 & R3
R4' R3'    
Ohm     
 
Vo2 mV Output voltage after balancing
  table of manufactured E24 resistor line  
1.0 1.8 3.3 5.6
1.1 2.0 3.6 6.2
1.2 2.2 3.9 6.8
1.3 2.4 4.3 7.5
1.5 2.7 4.7 8.2
1.6 3.0 5.1 9.1