Home / 3,278.16-4,517.58-2,345.04

Finding the Fourth Proportional to 3,278.16, 4,517.58 and 2,345.04

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Solution

The fourth proportional to 3,278.16, 4,517.58 and 2,345.04 is: 3,231.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.16 : 4,517.58 = 2,345.04 : x
  2. Step 2: Convert to fraction form
    3,278.16/4,517.58 = 2,345.04/x
  3. Step 3: Cross multiply
    3,278.16x = 4,517.58 × 2,345.04
  4. Step 4: Simplify right side
    3,278.16x = 10,593,905.80
  5. Step 5: Solve for x
    x = 10,593,905.80/3,278.16
  6. Step 6: Final answer
    x = 3,231.66

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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.