Home / 2,282.28-3,149.56-1,260.26

Finding the Fourth Proportional to 2,282.28, 3,149.56 and 1,260.26

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Solution

The fourth proportional to 2,282.28, 3,149.56 and 1,260.26 is: 1,739.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,282.28 : 3,149.56 = 1,260.26 : x
  2. Step 2: Convert to fraction form
    2,282.28/3,149.56 = 1,260.26/x
  3. Step 3: Cross multiply
    2,282.28x = 3,149.56 × 1,260.26
  4. Step 4: Simplify right side
    2,282.28x = 3,969,264.49
  5. Step 5: Solve for x
    x = 3,969,264.49/2,282.28
  6. Step 6: Final answer
    x = 1,739.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.