Home / 3,375.92-5,065.02-2,127.45

Finding the Fourth Proportional to 3,375.92, 5,065.02 and 2,127.45

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Solution

The fourth proportional to 3,375.92, 5,065.02 and 2,127.45 is: 3,191.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,375.92 : 5,065.02 = 2,127.45 : x
  2. Step 2: Convert to fraction form
    3,375.92/5,065.02 = 2,127.45/x
  3. Step 3: Cross multiply
    3,375.92x = 5,065.02 × 2,127.45
  4. Step 4: Simplify right side
    3,375.92x = 10,775,576.80
  5. Step 5: Solve for x
    x = 10,775,576.80/3,375.92
  6. Step 6: Final answer
    x = 3,191.89

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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.