Home / 1,255.68-1,883.56-1,199.52

Finding the Fourth Proportional to 1,255.68, 1,883.56 and 1,199.52

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Solution

The fourth proportional to 1,255.68, 1,883.56 and 1,199.52 is: 1,799.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255.68 : 1,883.56 = 1,199.52 : x
  2. Step 2: Convert to fraction form
    1,255.68/1,883.56 = 1,199.52/x
  3. Step 3: Cross multiply
    1,255.68x = 1,883.56 × 1,199.52
  4. Step 4: Simplify right side
    1,255.68x = 2,259,367.89
  5. Step 5: Solve for x
    x = 2,259,367.89/1,255.68
  6. Step 6: Final answer
    x = 1,799.32

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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.