Home / 1,327.68-2,003.76-1,293.12

Finding the Fourth Proportional to 1,327.68, 2,003.76 and 1,293.12

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Solution

The fourth proportional to 1,327.68, 2,003.76 and 1,293.12 is: 1,951.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327.68 : 2,003.76 = 1,293.12 : x
  2. Step 2: Convert to fraction form
    1,327.68/2,003.76 = 1,293.12/x
  3. Step 3: Cross multiply
    1,327.68x = 2,003.76 × 1,293.12
  4. Step 4: Simplify right side
    1,327.68x = 2,591,102.13
  5. Step 5: Solve for x
    x = 2,591,102.13/1,327.68
  6. Step 6: Final answer
    x = 1,951.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.