Home / 3,645.55-5,468.87-1,423.95

Finding the Fourth Proportional to 3,645.55, 5,468.87 and 1,423.95

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Solution

The fourth proportional to 3,645.55, 5,468.87 and 1,423.95 is: 2,136.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,645.55 : 5,468.87 = 1,423.95 : x
  2. Step 2: Convert to fraction form
    3,645.55/5,468.87 = 1,423.95/x
  3. Step 3: Cross multiply
    3,645.55x = 5,468.87 × 1,423.95
  4. Step 4: Simplify right side
    3,645.55x = 7,787,397.44
  5. Step 5: Solve for x
    x = 7,787,397.44/3,645.55
  6. Step 6: Final answer
    x = 2,136.14

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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.