Home / 4,340.20-5,987.12-2,662.42

Finding the Fourth Proportional to 4,340.20, 5,987.12 and 2,662.42

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Solution

The fourth proportional to 4,340.20, 5,987.12 and 2,662.42 is: 3,672.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,340.20 : 5,987.12 = 2,662.42 : x
  2. Step 2: Convert to fraction form
    4,340.20/5,987.12 = 2,662.42/x
  3. Step 3: Cross multiply
    4,340.20x = 5,987.12 × 2,662.42
  4. Step 4: Simplify right side
    4,340.20x = 15,940,228.03
  5. Step 5: Solve for x
    x = 15,940,228.03/4,340.20
  6. Step 6: Final answer
    x = 3,672.69

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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.