Home / 3,754.62-5,179.77-2,428.47

Finding the Fourth Proportional to 3,754.62, 5,179.77 and 2,428.47

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Solution

The fourth proportional to 3,754.62, 5,179.77 and 2,428.47 is: 3,350.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,754.62 : 5,179.77 = 2,428.47 : x
  2. Step 2: Convert to fraction form
    3,754.62/5,179.77 = 2,428.47/x
  3. Step 3: Cross multiply
    3,754.62x = 5,179.77 × 2,428.47
  4. Step 4: Simplify right side
    3,754.62x = 12,578,916.05
  5. Step 5: Solve for x
    x = 12,578,916.05/3,754.62
  6. Step 6: Final answer
    x = 3,350.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.