Home / 3,681.29-5,074.98-2,631.53

Finding the Fourth Proportional to 3,681.29, 5,074.98 and 2,631.53

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Solution

The fourth proportional to 3,681.29, 5,074.98 and 2,631.53 is: 3,627.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681.29 : 5,074.98 = 2,631.53 : x
  2. Step 2: Convert to fraction form
    3,681.29/5,074.98 = 2,631.53/x
  3. Step 3: Cross multiply
    3,681.29x = 5,074.98 × 2,631.53
  4. Step 4: Simplify right side
    3,681.29x = 13,354,962.12
  5. Step 5: Solve for x
    x = 13,354,962.12/3,681.29
  6. Step 6: Final answer
    x = 3,627.79

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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.