Home / 1,825.20-2,517.48-1,126.80

Finding the Fourth Proportional to 1,825.20, 2,517.48 and 1,126.80

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Solution

The fourth proportional to 1,825.20, 2,517.48 and 1,126.80 is: 1,554.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,825.20 : 2,517.48 = 1,126.80 : x
  2. Step 2: Convert to fraction form
    1,825.20/2,517.48 = 1,126.80/x
  3. Step 3: Cross multiply
    1,825.20x = 2,517.48 × 1,126.80
  4. Step 4: Simplify right side
    1,825.20x = 2,836,696.46
  5. Step 5: Solve for x
    x = 2,836,696.46/1,825.20
  6. Step 6: Final answer
    x = 1,554.18

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.