Home / 1,823.90-2,517.20-1,038

Finding the Fourth Proportional to 1,823.90, 2,517.20 and 1,038

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Solution

The fourth proportional to 1,823.90, 2,517.20 and 1,038 is: 1,432.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,823.90 : 2,517.20 = 1,038 : x
  2. Step 2: Convert to fraction form
    1,823.90/2,517.20 = 1,038/x
  3. Step 3: Cross multiply
    1,823.90x = 2,517.20 × 1,038
  4. Step 4: Simplify right side
    1,823.90x = 2,612,853.60
  5. Step 5: Solve for x
    x = 2,612,853.60/1,823.90
  6. Step 6: Final answer
    x = 1,432.56

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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.