Home / 2,232.38-3,080.40-1,275.27

Finding the Fourth Proportional to 2,232.38, 3,080.40 and 1,275.27

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Solution

The fourth proportional to 2,232.38, 3,080.40 and 1,275.27 is: 1,759.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,232.38 : 3,080.40 = 1,275.27 : x
  2. Step 2: Convert to fraction form
    2,232.38/3,080.40 = 1,275.27/x
  3. Step 3: Cross multiply
    2,232.38x = 3,080.40 × 1,275.27
  4. Step 4: Simplify right side
    2,232.38x = 3,928,325.37
  5. Step 5: Solve for x
    x = 3,928,325.37/2,232.38
  6. Step 6: Final answer
    x = 1,759.70

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Half scale
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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.