Home / 1,627.19-2,440.97-749.73

Finding the Fourth Proportional to 1,627.19, 2,440.97 and 749.73

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Solution

The fourth proportional to 1,627.19, 2,440.97 and 749.73 is: 1,124.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627.19 : 2,440.97 = 749.73 : x
  2. Step 2: Convert to fraction form
    1,627.19/2,440.97 = 749.73/x
  3. Step 3: Cross multiply
    1,627.19x = 2,440.97 × 749.73
  4. Step 4: Simplify right side
    1,627.19x = 1,830,072.95
  5. Step 5: Solve for x
    x = 1,830,072.95/1,627.19
  6. Step 6: Final answer
    x = 1,124.68

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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.