Home / 3,414.47-5,122.94-1,440.59

Finding the Fourth Proportional to 3,414.47, 5,122.94 and 1,440.59

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Solution

The fourth proportional to 3,414.47, 5,122.94 and 1,440.59 is: 2,161.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,414.47 : 5,122.94 = 1,440.59 : x
  2. Step 2: Convert to fraction form
    3,414.47/5,122.94 = 1,440.59/x
  3. Step 3: Cross multiply
    3,414.47x = 5,122.94 × 1,440.59
  4. Step 4: Simplify right side
    3,414.47x = 7,380,034.12
  5. Step 5: Solve for x
    x = 7,380,034.12/3,414.47
  6. Step 6: Final answer
    x = 2,161.40

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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.