Home / 3,943.87-5,442.51-2,265.46

Finding the Fourth Proportional to 3,943.87, 5,442.51 and 2,265.46

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Solution

The fourth proportional to 3,943.87, 5,442.51 and 2,265.46 is: 3,126.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.87 : 5,442.51 = 2,265.46 : x
  2. Step 2: Convert to fraction form
    3,943.87/5,442.51 = 2,265.46/x
  3. Step 3: Cross multiply
    3,943.87x = 5,442.51 × 2,265.46
  4. Step 4: Simplify right side
    3,943.87x = 12,329,788.70
  5. Step 5: Solve for x
    x = 12,329,788.70/3,943.87
  6. Step 6: Final answer
    x = 3,126.32

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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.