Home / 1,731.25-2,584.25-1,512.55

Finding the Fourth Proportional to 1,731.25, 2,584.25 and 1,512.55

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Solution

The fourth proportional to 1,731.25, 2,584.25 and 1,512.55 is: 2,257.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731.25 : 2,584.25 = 1,512.55 : x
  2. Step 2: Convert to fraction form
    1,731.25/2,584.25 = 1,512.55/x
  3. Step 3: Cross multiply
    1,731.25x = 2,584.25 × 1,512.55
  4. Step 4: Simplify right side
    1,731.25x = 3,908,807.34
  5. Step 5: Solve for x
    x = 3,908,807.34/1,731.25
  6. Step 6: Final answer
    x = 2,257.79

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.