Home / 1,498.20-2,247.30-951.45

Finding the Fourth Proportional to 1,498.20, 2,247.30 and 951.45

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Solution

The fourth proportional to 1,498.20, 2,247.30 and 951.45 is: 1,427.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,498.20 : 2,247.30 = 951.45 : x
  2. Step 2: Convert to fraction form
    1,498.20/2,247.30 = 951.45/x
  3. Step 3: Cross multiply
    1,498.20x = 2,247.30 × 951.45
  4. Step 4: Simplify right side
    1,498.20x = 2,138,193.59
  5. Step 5: Solve for x
    x = 2,138,193.59/1,498.20
  6. Step 6: Final answer
    x = 1,427.18

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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.