Home / 3,630.72-5,011.21-2,497.90

Finding the Fourth Proportional to 3,630.72, 5,011.21 and 2,497.90

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Solution

The fourth proportional to 3,630.72, 5,011.21 and 2,497.90 is: 3,447.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.72 : 5,011.21 = 2,497.90 : x
  2. Step 2: Convert to fraction form
    3,630.72/5,011.21 = 2,497.90/x
  3. Step 3: Cross multiply
    3,630.72x = 5,011.21 × 2,497.90
  4. Step 4: Simplify right side
    3,630.72x = 12,517,492.05
  5. Step 5: Solve for x
    x = 12,517,492.05/3,630.72
  6. Step 6: Final answer
    x = 3,447.66

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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.