Home / 2,615.38-3,924.13-1,382.46

Finding the Fourth Proportional to 2,615.38, 3,924.13 and 1,382.46

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Solution

The fourth proportional to 2,615.38, 3,924.13 and 1,382.46 is: 2,074.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,615.38 : 3,924.13 = 1,382.46 : x
  2. Step 2: Convert to fraction form
    2,615.38/3,924.13 = 1,382.46/x
  3. Step 3: Cross multiply
    2,615.38x = 3,924.13 × 1,382.46
  4. Step 4: Simplify right side
    2,615.38x = 5,424,952.76
  5. Step 5: Solve for x
    x = 5,424,952.76/2,615.38
  6. Step 6: Final answer
    x = 2,074.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.