Home / 2,818.11-4,229.75-1,432.41

Finding the Fourth Proportional to 2,818.11, 4,229.75 and 1,432.41

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Solution

The fourth proportional to 2,818.11, 4,229.75 and 1,432.41 is: 2,149.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818.11 : 4,229.75 = 1,432.41 : x
  2. Step 2: Convert to fraction form
    2,818.11/4,229.75 = 1,432.41/x
  3. Step 3: Cross multiply
    2,818.11x = 4,229.75 × 1,432.41
  4. Step 4: Simplify right side
    2,818.11x = 6,058,736.20
  5. Step 5: Solve for x
    x = 6,058,736.20/2,818.11
  6. Step 6: Final answer
    x = 2,149.93

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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.