Home / 3,633.90-5,451.40-1,553.91

Finding the Fourth Proportional to 3,633.90, 5,451.40 and 1,553.91

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Solution

The fourth proportional to 3,633.90, 5,451.40 and 1,553.91 is: 2,331.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,633.90 : 5,451.40 = 1,553.91 : x
  2. Step 2: Convert to fraction form
    3,633.90/5,451.40 = 1,553.91/x
  3. Step 3: Cross multiply
    3,633.90x = 5,451.40 × 1,553.91
  4. Step 4: Simplify right side
    3,633.90x = 8,470,957.73
  5. Step 5: Solve for x
    x = 8,470,957.73/3,633.90
  6. Step 6: Final answer
    x = 2,331.10

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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.