Home / 1,498.45-2,247.60-402.79

Finding the Fourth Proportional to 1,498.45, 2,247.60 and 402.79

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Solution

The fourth proportional to 1,498.45, 2,247.60 and 402.79 is: 604.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,498.45 : 2,247.60 = 402.79 : x
  2. Step 2: Convert to fraction form
    1,498.45/2,247.60 = 402.79/x
  3. Step 3: Cross multiply
    1,498.45x = 2,247.60 × 402.79
  4. Step 4: Simplify right side
    1,498.45x = 905,310.80
  5. Step 5: Solve for x
    x = 905,310.80/1,498.45
  6. Step 6: Final answer
    x = 604.16

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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.