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Finding the Fourth Proportional to 3,613.62, 4,985.01 and 2,495.70

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Solution

The fourth proportional to 3,613.62, 4,985.01 and 2,495.70 is: 3,442.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613.62 : 4,985.01 = 2,495.70 : x
  2. Step 2: Convert to fraction form
    3,613.62/4,985.01 = 2,495.70/x
  3. Step 3: Cross multiply
    3,613.62x = 4,985.01 × 2,495.70
  4. Step 4: Simplify right side
    3,613.62x = 12,441,089.46
  5. Step 5: Solve for x
    x = 12,441,089.46/3,613.62
  6. Step 6: Final answer
    x = 3,442.83

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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.