Home / 3,953.44-5,456.19-2,381.50

Finding the Fourth Proportional to 3,953.44, 5,456.19 and 2,381.50

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Solution

The fourth proportional to 3,953.44, 5,456.19 and 2,381.50 is: 3,286.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,953.44 : 5,456.19 = 2,381.50 : x
  2. Step 2: Convert to fraction form
    3,953.44/5,456.19 = 2,381.50/x
  3. Step 3: Cross multiply
    3,953.44x = 5,456.19 × 2,381.50
  4. Step 4: Simplify right side
    3,953.44x = 12,993,916.49
  5. Step 5: Solve for x
    x = 12,993,916.49/3,953.44
  6. Step 6: Final answer
    x = 3,286.74

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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.