Home / 1,531.73-2,292.74-1,097.57

Finding the Fourth Proportional to 1,531.73, 2,292.74 and 1,097.57

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Solution

The fourth proportional to 1,531.73, 2,292.74 and 1,097.57 is: 1,642.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531.73 : 2,292.74 = 1,097.57 : x
  2. Step 2: Convert to fraction form
    1,531.73/2,292.74 = 1,097.57/x
  3. Step 3: Cross multiply
    1,531.73x = 2,292.74 × 1,097.57
  4. Step 4: Simplify right side
    1,531.73x = 2,516,447.00
  5. Step 5: Solve for x
    x = 2,516,447.00/1,531.73
  6. Step 6: Final answer
    x = 1,642.88

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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.