Home / 2,948.48-4,422.42-1,000.65

Finding the Fourth Proportional to 2,948.48, 4,422.42 and 1,000.65

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Solution

The fourth proportional to 2,948.48, 4,422.42 and 1,000.65 is: 1,500.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.48 : 4,422.42 = 1,000.65 : x
  2. Step 2: Convert to fraction form
    2,948.48/4,422.42 = 1,000.65/x
  3. Step 3: Cross multiply
    2,948.48x = 4,422.42 × 1,000.65
  4. Step 4: Simplify right side
    2,948.48x = 4,425,294.57
  5. Step 5: Solve for x
    x = 4,425,294.57/2,948.48
  6. Step 6: Final answer
    x = 1,500.88

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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.