Home / 3,935.15-5,426.05-3,036.86

Finding the Fourth Proportional to 3,935.15, 5,426.05 and 3,036.86

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Solution

The fourth proportional to 3,935.15, 5,426.05 and 3,036.86 is: 4,187.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,935.15 : 5,426.05 = 3,036.86 : x
  2. Step 2: Convert to fraction form
    3,935.15/5,426.05 = 3,036.86/x
  3. Step 3: Cross multiply
    3,935.15x = 5,426.05 × 3,036.86
  4. Step 4: Simplify right side
    3,935.15x = 16,478,154.20
  5. Step 5: Solve for x
    x = 16,478,154.20/3,935.15
  6. Step 6: Final answer
    x = 4,187.43

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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.