Home / 3,434.90-5,154.46-1,354.55

Finding the Fourth Proportional to 3,434.90, 5,154.46 and 1,354.55

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Solution

The fourth proportional to 3,434.90, 5,154.46 and 1,354.55 is: 2,032.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,434.90 : 5,154.46 = 1,354.55 : x
  2. Step 2: Convert to fraction form
    3,434.90/5,154.46 = 1,354.55/x
  3. Step 3: Cross multiply
    3,434.90x = 5,154.46 × 1,354.55
  4. Step 4: Simplify right side
    3,434.90x = 6,981,944.63
  5. Step 5: Solve for x
    x = 6,981,944.63/3,434.90
  6. Step 6: Final answer
    x = 2,032.65

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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.