Home / 1,498.08-2,247.13-458.03

Finding the Fourth Proportional to 1,498.08, 2,247.13 and 458.03

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Solution

The fourth proportional to 1,498.08, 2,247.13 and 458.03 is: 687.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,498.08 : 2,247.13 = 458.03 : x
  2. Step 2: Convert to fraction form
    1,498.08/2,247.13 = 458.03/x
  3. Step 3: Cross multiply
    1,498.08x = 2,247.13 × 458.03
  4. Step 4: Simplify right side
    1,498.08x = 1,029,257.43
  5. Step 5: Solve for x
    x = 1,029,257.43/1,498.08
  6. Step 6: Final answer
    x = 687.05

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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.