Home / 3,760.14-5,641.12-1,127.64

Finding the Fourth Proportional to 3,760.14, 5,641.12 and 1,127.64

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Solution

The fourth proportional to 3,760.14, 5,641.12 and 1,127.64 is: 1,691.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,760.14 : 5,641.12 = 1,127.64 : x
  2. Step 2: Convert to fraction form
    3,760.14/5,641.12 = 1,127.64/x
  3. Step 3: Cross multiply
    3,760.14x = 5,641.12 × 1,127.64
  4. Step 4: Simplify right side
    3,760.14x = 6,361,152.56
  5. Step 5: Solve for x
    x = 6,361,152.56/3,760.14
  6. Step 6: Final answer
    x = 1,691.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.