Home / 3,805.31-5,247.19-2,476.55

Finding the Fourth Proportional to 3,805.31, 5,247.19 and 2,476.55

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Solution

The fourth proportional to 3,805.31, 5,247.19 and 2,476.55 is: 3,414.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,805.31 : 5,247.19 = 2,476.55 : x
  2. Step 2: Convert to fraction form
    3,805.31/5,247.19 = 2,476.55/x
  3. Step 3: Cross multiply
    3,805.31x = 5,247.19 × 2,476.55
  4. Step 4: Simplify right side
    3,805.31x = 12,994,928.39
  5. Step 5: Solve for x
    x = 12,994,928.39/3,805.31
  6. Step 6: Final answer
    x = 3,414.95

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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.