Home / 3,753.45-5,178.11-2,260.49

Finding the Fourth Proportional to 3,753.45, 5,178.11 and 2,260.49

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Solution

The fourth proportional to 3,753.45, 5,178.11 and 2,260.49 is: 3,118.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,753.45 : 5,178.11 = 2,260.49 : x
  2. Step 2: Convert to fraction form
    3,753.45/5,178.11 = 2,260.49/x
  3. Step 3: Cross multiply
    3,753.45x = 5,178.11 × 2,260.49
  4. Step 4: Simplify right side
    3,753.45x = 11,705,028.68
  5. Step 5: Solve for x
    x = 11,705,028.68/3,753.45
  6. Step 6: Final answer
    x = 3,118.47

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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.