Home / 3,753.61-5,174.49-2,631.16

Finding the Fourth Proportional to 3,753.61, 5,174.49 and 2,631.16

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Solution

The fourth proportional to 3,753.61, 5,174.49 and 2,631.16 is: 3,627.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,753.61 : 5,174.49 = 2,631.16 : x
  2. Step 2: Convert to fraction form
    3,753.61/5,174.49 = 2,631.16/x
  3. Step 3: Cross multiply
    3,753.61x = 5,174.49 × 2,631.16
  4. Step 4: Simplify right side
    3,753.61x = 13,614,911.11
  5. Step 5: Solve for x
    x = 13,614,911.11/3,753.61
  6. Step 6: Final answer
    x = 3,627.15

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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.