Home / 3,953.64-5,456.25-2,381.97

Finding the Fourth Proportional to 3,953.64, 5,456.25 and 2,381.97

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Solution

The fourth proportional to 3,953.64, 5,456.25 and 2,381.97 is: 3,287.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,953.64 : 5,456.25 = 2,381.97 : x
  2. Step 2: Convert to fraction form
    3,953.64/5,456.25 = 2,381.97/x
  3. Step 3: Cross multiply
    3,953.64x = 5,456.25 × 2,381.97
  4. Step 4: Simplify right side
    3,953.64x = 12,996,623.81
  5. Step 5: Solve for x
    x = 12,996,623.81/3,953.64
  6. Step 6: Final answer
    x = 3,287.26

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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.