Home / 2,654.40-3,979.30-1,010.52

Finding the Fourth Proportional to 2,654.40, 3,979.30 and 1,010.52

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Solution

The fourth proportional to 2,654.40, 3,979.30 and 1,010.52 is: 1,514.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,654.40 : 3,979.30 = 1,010.52 : x
  2. Step 2: Convert to fraction form
    2,654.40/3,979.30 = 1,010.52/x
  3. Step 3: Cross multiply
    2,654.40x = 3,979.30 × 1,010.52
  4. Step 4: Simplify right side
    2,654.40x = 4,021,162.24
  5. Step 5: Solve for x
    x = 4,021,162.24/2,654.40
  6. Step 6: Final answer
    x = 1,514.90

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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.