Home / 3,737.28-5,157.08-2,165.48

Finding the Fourth Proportional to 3,737.28, 5,157.08 and 2,165.48

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Solution

The fourth proportional to 3,737.28, 5,157.08 and 2,165.48 is: 2,988.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,737.28 : 5,157.08 = 2,165.48 : x
  2. Step 2: Convert to fraction form
    3,737.28/5,157.08 = 2,165.48/x
  3. Step 3: Cross multiply
    3,737.28x = 5,157.08 × 2,165.48
  4. Step 4: Simplify right side
    3,737.28x = 11,167,553.60
  5. Step 5: Solve for x
    x = 11,167,553.60/3,737.28
  6. Step 6: Final answer
    x = 2,988.15

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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.