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Finding the Fourth Proportional to 3,947.04, 5,446.08 and 2,752.92

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Solution

The fourth proportional to 3,947.04, 5,446.08 and 2,752.92 is: 3,798.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947.04 : 5,446.08 = 2,752.92 : x
  2. Step 2: Convert to fraction form
    3,947.04/5,446.08 = 2,752.92/x
  3. Step 3: Cross multiply
    3,947.04x = 5,446.08 × 2,752.92
  4. Step 4: Simplify right side
    3,947.04x = 14,992,622.55
  5. Step 5: Solve for x
    x = 14,992,622.55/3,947.04
  6. Step 6: Final answer
    x = 3,798.45

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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.