Home / 3,947.25-5,443.47-2,600.49

Finding the Fourth Proportional to 3,947.25, 5,443.47 and 2,600.49

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Solution

The fourth proportional to 3,947.25, 5,443.47 and 2,600.49 is: 3,586.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947.25 : 5,443.47 = 2,600.49 : x
  2. Step 2: Convert to fraction form
    3,947.25/5,443.47 = 2,600.49/x
  3. Step 3: Cross multiply
    3,947.25x = 5,443.47 × 2,600.49
  4. Step 4: Simplify right side
    3,947.25x = 14,155,689.30
  5. Step 5: Solve for x
    x = 14,155,689.30/3,947.25
  6. Step 6: Final answer
    x = 3,586.22

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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.