Home / 3,298.08-4,947.12-1,324.61

Finding the Fourth Proportional to 3,298.08, 4,947.12 and 1,324.61

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Solution

The fourth proportional to 3,298.08, 4,947.12 and 1,324.61 is: 1,986.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,298.08 : 4,947.12 = 1,324.61 : x
  2. Step 2: Convert to fraction form
    3,298.08/4,947.12 = 1,324.61/x
  3. Step 3: Cross multiply
    3,298.08x = 4,947.12 × 1,324.61
  4. Step 4: Simplify right side
    3,298.08x = 6,553,004.62
  5. Step 5: Solve for x
    x = 6,553,004.62/3,298.08
  6. Step 6: Final answer
    x = 1,986.92

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Double scale
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Similar ratio
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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.