Home / 3,613.77-5,422.82-2,515.95

Finding the Fourth Proportional to 3,613.77, 5,422.82 and 2,515.95

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Solution

The fourth proportional to 3,613.77, 5,422.82 and 2,515.95 is: 3,775.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613.77 : 5,422.82 = 2,515.95 : x
  2. Step 2: Convert to fraction form
    3,613.77/5,422.82 = 2,515.95/x
  3. Step 3: Cross multiply
    3,613.77x = 5,422.82 × 2,515.95
  4. Step 4: Simplify right side
    3,613.77x = 13,643,531.40
  5. Step 5: Solve for x
    x = 13,643,531.40/3,613.77
  6. Step 6: Final answer
    x = 3,775.43

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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.