Home / 3,414.29-5,119.70-1,332.68

Finding the Fourth Proportional to 3,414.29, 5,119.70 and 1,332.68

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Solution

The fourth proportional to 3,414.29, 5,119.70 and 1,332.68 is: 1,998.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,414.29 : 5,119.70 = 1,332.68 : x
  2. Step 2: Convert to fraction form
    3,414.29/5,119.70 = 1,332.68/x
  3. Step 3: Cross multiply
    3,414.29x = 5,119.70 × 1,332.68
  4. Step 4: Simplify right side
    3,414.29x = 6,822,889.53
  5. Step 5: Solve for x
    x = 6,822,889.53/3,414.29
  6. Step 6: Final answer
    x = 1,998.34

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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.