Home / 4,148.68-5,723.38-2,379.88

Finding the Fourth Proportional to 4,148.68, 5,723.38 and 2,379.88

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Solution

The fourth proportional to 4,148.68, 5,723.38 and 2,379.88 is: 3,283.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,148.68 : 5,723.38 = 2,379.88 : x
  2. Step 2: Convert to fraction form
    4,148.68/5,723.38 = 2,379.88/x
  3. Step 3: Cross multiply
    4,148.68x = 5,723.38 × 2,379.88
  4. Step 4: Simplify right side
    4,148.68x = 13,620,957.59
  5. Step 5: Solve for x
    x = 13,620,957.59/4,148.68
  6. Step 6: Final answer
    x = 3,283.20

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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.