Home / 3,946.92-5,446.54-2,454.80

Finding the Fourth Proportional to 3,946.92, 5,446.54 and 2,454.80

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Solution

The fourth proportional to 3,946.92, 5,446.54 and 2,454.80 is: 3,387.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946.92 : 5,446.54 = 2,454.80 : x
  2. Step 2: Convert to fraction form
    3,946.92/5,446.54 = 2,454.80/x
  3. Step 3: Cross multiply
    3,946.92x = 5,446.54 × 2,454.80
  4. Step 4: Simplify right side
    3,946.92x = 13,370,126.89
  5. Step 5: Solve for x
    x = 13,370,126.89/3,946.92
  6. Step 6: Final answer
    x = 3,387.48

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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.