Home / 1,514.52-2,271.50-418.74

Finding the Fourth Proportional to 1,514.52, 2,271.50 and 418.74

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Solution

The fourth proportional to 1,514.52, 2,271.50 and 418.74 is: 628.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,514.52 : 2,271.50 = 418.74 : x
  2. Step 2: Convert to fraction form
    1,514.52/2,271.50 = 418.74/x
  3. Step 3: Cross multiply
    1,514.52x = 2,271.50 × 418.74
  4. Step 4: Simplify right side
    1,514.52x = 951,167.91
  5. Step 5: Solve for x
    x = 951,167.91/1,514.52
  6. Step 6: Final answer
    x = 628.03

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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.