Home / 2,621.50-3,929.91-1,062.66

Finding the Fourth Proportional to 2,621.50, 3,929.91 and 1,062.66

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Solution

The fourth proportional to 2,621.50, 3,929.91 and 1,062.66 is: 1,593.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621.50 : 3,929.91 = 1,062.66 : x
  2. Step 2: Convert to fraction form
    2,621.50/3,929.91 = 1,062.66/x
  3. Step 3: Cross multiply
    2,621.50x = 3,929.91 × 1,062.66
  4. Step 4: Simplify right side
    2,621.50x = 4,176,158.16
  5. Step 5: Solve for x
    x = 4,176,158.16/2,621.50
  6. Step 6: Final answer
    x = 1,593.04

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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.