Home / 2,008.49-3,013.10-621.74

Finding the Fourth Proportional to 2,008.49, 3,013.10 and 621.74

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Solution

The fourth proportional to 2,008.49, 3,013.10 and 621.74 is: 932.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,008.49 : 3,013.10 = 621.74 : x
  2. Step 2: Convert to fraction form
    2,008.49/3,013.10 = 621.74/x
  3. Step 3: Cross multiply
    2,008.49x = 3,013.10 × 621.74
  4. Step 4: Simplify right side
    2,008.49x = 1,873,351.28
  5. Step 5: Solve for x
    x = 1,873,351.28/2,008.49
  6. Step 6: Final answer
    x = 932.72

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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.