Home / 3,531.30-5,280.09-3,221.47

Finding the Fourth Proportional to 3,531.30, 5,280.09 and 3,221.47

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Solution

The fourth proportional to 3,531.30, 5,280.09 and 3,221.47 is: 4,816.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.30 : 5,280.09 = 3,221.47 : x
  2. Step 2: Convert to fraction form
    3,531.30/5,280.09 = 3,221.47/x
  3. Step 3: Cross multiply
    3,531.30x = 5,280.09 × 3,221.47
  4. Step 4: Simplify right side
    3,531.30x = 17,009,646.05
  5. Step 5: Solve for x
    x = 17,009,646.05/3,531.30
  6. Step 6: Final answer
    x = 4,816.83

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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.