Home / 2,229.21-3,343.89-1,058.61

Finding the Fourth Proportional to 2,229.21, 3,343.89 and 1,058.61

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Solution

The fourth proportional to 2,229.21, 3,343.89 and 1,058.61 is: 1,587.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,229.21 : 3,343.89 = 1,058.61 : x
  2. Step 2: Convert to fraction form
    2,229.21/3,343.89 = 1,058.61/x
  3. Step 3: Cross multiply
    2,229.21x = 3,343.89 × 1,058.61
  4. Step 4: Simplify right side
    2,229.21x = 3,539,862.85
  5. Step 5: Solve for x
    x = 3,539,862.85/2,229.21
  6. Step 6: Final answer
    x = 1,587.94

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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.