Home / 3,531.87-5,318.46-2,613.90

Finding the Fourth Proportional to 3,531.87, 5,318.46 and 2,613.90

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Solution

The fourth proportional to 3,531.87, 5,318.46 and 2,613.90 is: 3,936.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.87 : 5,318.46 = 2,613.90 : x
  2. Step 2: Convert to fraction form
    3,531.87/5,318.46 = 2,613.90/x
  3. Step 3: Cross multiply
    3,531.87x = 5,318.46 × 2,613.90
  4. Step 4: Simplify right side
    3,531.87x = 13,901,922.59
  5. Step 5: Solve for x
    x = 13,901,922.59/3,531.87
  6. Step 6: Final answer
    x = 3,936.14

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.