Home / 3,377.80-5,072.32-2,087.47

Finding the Fourth Proportional to 3,377.80, 5,072.32 and 2,087.47

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Solution

The fourth proportional to 3,377.80, 5,072.32 and 2,087.47 is: 3,134.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,377.80 : 5,072.32 = 2,087.47 : x
  2. Step 2: Convert to fraction form
    3,377.80/5,072.32 = 2,087.47/x
  3. Step 3: Cross multiply
    3,377.80x = 5,072.32 × 2,087.47
  4. Step 4: Simplify right side
    3,377.80x = 10,588,324.78
  5. Step 5: Solve for x
    x = 10,588,324.78/3,377.80
  6. Step 6: Final answer
    x = 3,134.68

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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.