Home / 3,934.92-5,871.93-3,498.60

Finding the Fourth Proportional to 3,934.92, 5,871.93 and 3,498.60

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Solution

The fourth proportional to 3,934.92, 5,871.93 and 3,498.60 is: 5,220.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934.92 : 5,871.93 = 3,498.60 : x
  2. Step 2: Convert to fraction form
    3,934.92/5,871.93 = 3,498.60/x
  3. Step 3: Cross multiply
    3,934.92x = 5,871.93 × 3,498.60
  4. Step 4: Simplify right side
    3,934.92x = 20,543,534.30
  5. Step 5: Solve for x
    x = 20,543,534.30/3,934.92
  6. Step 6: Final answer
    x = 5,220.83

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