Home / 3,179.92-4,385.43-2,059.69

Finding the Fourth Proportional to 3,179.92, 4,385.43 and 2,059.69

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Solution

The fourth proportional to 3,179.92, 4,385.43 and 2,059.69 is: 2,840.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179.92 : 4,385.43 = 2,059.69 : x
  2. Step 2: Convert to fraction form
    3,179.92/4,385.43 = 2,059.69/x
  3. Step 3: Cross multiply
    3,179.92x = 4,385.43 × 2,059.69
  4. Step 4: Simplify right side
    3,179.92x = 9,032,626.32
  5. Step 5: Solve for x
    x = 9,032,626.32/3,179.92
  6. Step 6: Final answer
    x = 2,840.52

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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.