Home / 2,147.33-3,221.10-587.30

Finding the Fourth Proportional to 2,147.33, 3,221.10 and 587.30

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Solution

The fourth proportional to 2,147.33, 3,221.10 and 587.30 is: 880.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147.33 : 3,221.10 = 587.30 : x
  2. Step 2: Convert to fraction form
    2,147.33/3,221.10 = 587.30/x
  3. Step 3: Cross multiply
    2,147.33x = 3,221.10 × 587.30
  4. Step 4: Simplify right side
    2,147.33x = 1,891,754.22
  5. Step 5: Solve for x
    x = 1,891,754.22/2,147.33
  6. Step 6: Final answer
    x = 880.98

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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.