Home / 3,522.88-5,281.13-1,331.02

Finding the Fourth Proportional to 3,522.88, 5,281.13 and 1,331.02

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Solution

The fourth proportional to 3,522.88, 5,281.13 and 1,331.02 is: 1,995.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,522.88 : 5,281.13 = 1,331.02 : x
  2. Step 2: Convert to fraction form
    3,522.88/5,281.13 = 1,331.02/x
  3. Step 3: Cross multiply
    3,522.88x = 5,281.13 × 1,331.02
  4. Step 4: Simplify right side
    3,522.88x = 7,029,299.58
  5. Step 5: Solve for x
    x = 7,029,299.58/3,522.88
  6. Step 6: Final answer
    x = 1,995.33

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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.