Home / 3,737.40-5,151.54-2,988.96

Finding the Fourth Proportional to 3,737.40, 5,151.54 and 2,988.96

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Solution

The fourth proportional to 3,737.40, 5,151.54 and 2,988.96 is: 4,119.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,737.40 : 5,151.54 = 2,988.96 : x
  2. Step 2: Convert to fraction form
    3,737.40/5,151.54 = 2,988.96/x
  3. Step 3: Cross multiply
    3,737.40x = 5,151.54 × 2,988.96
  4. Step 4: Simplify right side
    3,737.40x = 15,397,747.00
  5. Step 5: Solve for x
    x = 15,397,747.00/3,737.40
  6. Step 6: Final answer
    x = 4,119.91

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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.