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Finding the Fourth Proportional to 3,132.92, 4,324.92 and 1,955.72

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Solution

The fourth proportional to 3,132.92, 4,324.92 and 1,955.72 is: 2,699.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.92 : 4,324.92 = 1,955.72 : x
  2. Step 2: Convert to fraction form
    3,132.92/4,324.92 = 1,955.72/x
  3. Step 3: Cross multiply
    3,132.92x = 4,324.92 × 1,955.72
  4. Step 4: Simplify right side
    3,132.92x = 8,458,332.54
  5. Step 5: Solve for x
    x = 8,458,332.54/3,132.92
  6. Step 6: Final answer
    x = 2,699.82

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.