Home / 3,553.32-4,877.49-3,151.56

Finding the Fourth Proportional to 3,553.32, 4,877.49 and 3,151.56

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Solution

The fourth proportional to 3,553.32, 4,877.49 and 3,151.56 is: 4,326.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553.32 : 4,877.49 = 3,151.56 : x
  2. Step 2: Convert to fraction form
    3,553.32/4,877.49 = 3,151.56/x
  3. Step 3: Cross multiply
    3,553.32x = 4,877.49 × 3,151.56
  4. Step 4: Simplify right side
    3,553.32x = 15,371,702.38
  5. Step 5: Solve for x
    x = 15,371,702.38/3,553.32
  6. Step 6: Final answer
    x = 4,326.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.