Home / 1,498.69-2,248.44-621.87

Finding the Fourth Proportional to 1,498.69, 2,248.44 and 621.87

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Solution

The fourth proportional to 1,498.69, 2,248.44 and 621.87 is: 932.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,498.69 : 2,248.44 = 621.87 : x
  2. Step 2: Convert to fraction form
    1,498.69/2,248.44 = 621.87/x
  3. Step 3: Cross multiply
    1,498.69x = 2,248.44 × 621.87
  4. Step 4: Simplify right side
    1,498.69x = 1,398,237.38
  5. Step 5: Solve for x
    x = 1,398,237.38/1,498.69
  6. Step 6: Final answer
    x = 932.97

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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.