Home / 3,414.79-5,124.17-1,440.30

Finding the Fourth Proportional to 3,414.79, 5,124.17 and 1,440.30

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Solution

The fourth proportional to 3,414.79, 5,124.17 and 1,440.30 is: 2,161.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,414.79 : 5,124.17 = 1,440.30 : x
  2. Step 2: Convert to fraction form
    3,414.79/5,124.17 = 1,440.30/x
  3. Step 3: Cross multiply
    3,414.79x = 5,124.17 × 1,440.30
  4. Step 4: Simplify right side
    3,414.79x = 7,380,342.05
  5. Step 5: Solve for x
    x = 7,380,342.05/3,414.79
  6. Step 6: Final answer
    x = 2,161.29

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1.5x scale

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.