Home / 4,148.70-5,725.17-2,381.28

Finding the Fourth Proportional to 4,148.70, 5,725.17 and 2,381.28

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Solution

The fourth proportional to 4,148.70, 5,725.17 and 2,381.28 is: 3,286.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,148.70 : 5,725.17 = 2,381.28 : x
  2. Step 2: Convert to fraction form
    4,148.70/5,725.17 = 2,381.28/x
  3. Step 3: Cross multiply
    4,148.70x = 5,725.17 × 2,381.28
  4. Step 4: Simplify right side
    4,148.70x = 13,633,232.82
  5. Step 5: Solve for x
    x = 13,633,232.82/4,148.70
  6. Step 6: Final answer
    x = 3,286.15

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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.