Home / 1,827.88-2,522.28-1,081.90

Finding the Fourth Proportional to 1,827.88, 2,522.28 and 1,081.90

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Solution

The fourth proportional to 1,827.88, 2,522.28 and 1,081.90 is: 1,492.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,827.88 : 2,522.28 = 1,081.90 : x
  2. Step 2: Convert to fraction form
    1,827.88/2,522.28 = 1,081.90/x
  3. Step 3: Cross multiply
    1,827.88x = 2,522.28 × 1,081.90
  4. Step 4: Simplify right side
    1,827.88x = 2,728,854.73
  5. Step 5: Solve for x
    x = 2,728,854.73/1,827.88
  6. Step 6: Final answer
    x = 1,492.91

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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.