Home / 3,154.90-4,734.56-1,306.04

Finding the Fourth Proportional to 3,154.90, 4,734.56 and 1,306.04

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Solution

The fourth proportional to 3,154.90, 4,734.56 and 1,306.04 is: 1,959.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.90 : 4,734.56 = 1,306.04 : x
  2. Step 2: Convert to fraction form
    3,154.90/4,734.56 = 1,306.04/x
  3. Step 3: Cross multiply
    3,154.90x = 4,734.56 × 1,306.04
  4. Step 4: Simplify right side
    3,154.90x = 6,183,524.74
  5. Step 5: Solve for x
    x = 6,183,524.74/3,154.90
  6. Step 6: Final answer
    x = 1,959.97

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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.