Home / 3,946.57-5,446.35-2,551.75

Finding the Fourth Proportional to 3,946.57, 5,446.35 and 2,551.75

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Solution

The fourth proportional to 3,946.57, 5,446.35 and 2,551.75 is: 3,521.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946.57 : 5,446.35 = 2,551.75 : x
  2. Step 2: Convert to fraction form
    3,946.57/5,446.35 = 2,551.75/x
  3. Step 3: Cross multiply
    3,946.57x = 5,446.35 × 2,551.75
  4. Step 4: Simplify right side
    3,946.57x = 13,897,723.61
  5. Step 5: Solve for x
    x = 13,897,723.61/3,946.57
  6. Step 6: Final answer
    x = 3,521.47

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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.