Home / 3,705.70-5,114.06-2,134.30

Finding the Fourth Proportional to 3,705.70, 5,114.06 and 2,134.30

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Solution

The fourth proportional to 3,705.70, 5,114.06 and 2,134.30 is: 2,945.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,705.70 : 5,114.06 = 2,134.30 : x
  2. Step 2: Convert to fraction form
    3,705.70/5,114.06 = 2,134.30/x
  3. Step 3: Cross multiply
    3,705.70x = 5,114.06 × 2,134.30
  4. Step 4: Simplify right side
    3,705.70x = 10,914,938.26
  5. Step 5: Solve for x
    x = 10,914,938.26/3,705.70
  6. Step 6: Final answer
    x = 2,945.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.