Home / 3,451.38-5,176.10-1,371.35

Finding the Fourth Proportional to 3,451.38, 5,176.10 and 1,371.35

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Solution

The fourth proportional to 3,451.38, 5,176.10 and 1,371.35 is: 2,056.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451.38 : 5,176.10 = 1,371.35 : x
  2. Step 2: Convert to fraction form
    3,451.38/5,176.10 = 1,371.35/x
  3. Step 3: Cross multiply
    3,451.38x = 5,176.10 × 1,371.35
  4. Step 4: Simplify right side
    3,451.38x = 7,098,212.00
  5. Step 5: Solve for x
    x = 7,098,212.00/3,451.38
  6. Step 6: Final answer
    x = 2,056.63

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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.