Home / 3,387.92-5,077.26-2,072.13

Finding the Fourth Proportional to 3,387.92, 5,077.26 and 2,072.13

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Solution

The fourth proportional to 3,387.92, 5,077.26 and 2,072.13 is: 3,105.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.92 : 5,077.26 = 2,072.13 : x
  2. Step 2: Convert to fraction form
    3,387.92/5,077.26 = 2,072.13/x
  3. Step 3: Cross multiply
    3,387.92x = 5,077.26 × 2,072.13
  4. Step 4: Simplify right side
    3,387.92x = 10,520,707.02
  5. Step 5: Solve for x
    x = 10,520,707.02/3,387.92
  6. Step 6: Final answer
    x = 3,105.36

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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.