Home / 1,498.17-2,246.80-717.74

Finding the Fourth Proportional to 1,498.17, 2,246.80 and 717.74

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Solution

The fourth proportional to 1,498.17, 2,246.80 and 717.74 is: 1,076.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,498.17 : 2,246.80 = 717.74 : x
  2. Step 2: Convert to fraction form
    1,498.17/2,246.80 = 717.74/x
  3. Step 3: Cross multiply
    1,498.17x = 2,246.80 × 717.74
  4. Step 4: Simplify right side
    1,498.17x = 1,612,618.23
  5. Step 5: Solve for x
    x = 1,612,618.23/1,498.17
  6. Step 6: Final answer
    x = 1,076.39

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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.