Home / 2,578.41-3,867.61-630.59

Finding the Fourth Proportional to 2,578.41, 3,867.61 and 630.59

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Solution

The fourth proportional to 2,578.41, 3,867.61 and 630.59 is: 945.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578.41 : 3,867.61 = 630.59 : x
  2. Step 2: Convert to fraction form
    2,578.41/3,867.61 = 630.59/x
  3. Step 3: Cross multiply
    2,578.41x = 3,867.61 × 630.59
  4. Step 4: Simplify right side
    2,578.41x = 2,438,876.19
  5. Step 5: Solve for x
    x = 2,438,876.19/2,578.41
  6. Step 6: Final answer
    x = 945.88

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