Home / 1,294.97-1,944.28-1,236.20

Finding the Fourth Proportional to 1,294.97, 1,944.28 and 1,236.20

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Solution

The fourth proportional to 1,294.97, 1,944.28 and 1,236.20 is: 1,856.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294.97 : 1,944.28 = 1,236.20 : x
  2. Step 2: Convert to fraction form
    1,294.97/1,944.28 = 1,236.20/x
  3. Step 3: Cross multiply
    1,294.97x = 1,944.28 × 1,236.20
  4. Step 4: Simplify right side
    1,294.97x = 2,403,507.28
  5. Step 5: Solve for x
    x = 2,403,507.28/1,294.97
  6. Step 6: Final answer
    x = 1,856.03

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1.5x scale

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.