Home / 3,287.40-4,534.92-2,225.24

Finding the Fourth Proportional to 3,287.40, 4,534.92 and 2,225.24

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Solution

The fourth proportional to 3,287.40, 4,534.92 and 2,225.24 is: 3,069.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.40 : 4,534.92 = 2,225.24 : x
  2. Step 2: Convert to fraction form
    3,287.40/4,534.92 = 2,225.24/x
  3. Step 3: Cross multiply
    3,287.40x = 4,534.92 × 2,225.24
  4. Step 4: Simplify right side
    3,287.40x = 10,091,285.38
  5. Step 5: Solve for x
    x = 10,091,285.38/3,287.40
  6. Step 6: Final answer
    x = 3,069.69

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Half scale
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Double 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.