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Finding the Fourth Proportional to 3,649.59, 5,035.19 and 2,234.16

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Solution

The fourth proportional to 3,649.59, 5,035.19 and 2,234.16 is: 3,082.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,649.59 : 5,035.19 = 2,234.16 : x
  2. Step 2: Convert to fraction form
    3,649.59/5,035.19 = 2,234.16/x
  3. Step 3: Cross multiply
    3,649.59x = 5,035.19 × 2,234.16
  4. Step 4: Simplify right side
    3,649.59x = 11,249,408.92
  5. Step 5: Solve for x
    x = 11,249,408.92/3,649.59
  6. Step 6: Final answer
    x = 3,082.38

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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.