Home / 3,947.58-5,447.74-2,552.76

Finding the Fourth Proportional to 3,947.58, 5,447.74 and 2,552.76

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Solution

The fourth proportional to 3,947.58, 5,447.74 and 2,552.76 is: 3,522.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947.58 : 5,447.74 = 2,552.76 : x
  2. Step 2: Convert to fraction form
    3,947.58/5,447.74 = 2,552.76/x
  3. Step 3: Cross multiply
    3,947.58x = 5,447.74 × 2,552.76
  4. Step 4: Simplify right side
    3,947.58x = 13,906,772.76
  5. Step 5: Solve for x
    x = 13,906,772.76/3,947.58
  6. Step 6: Final answer
    x = 3,522.86

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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.