Home / 3,318.60-4,579.89-2,324.20

Finding the Fourth Proportional to 3,318.60, 4,579.89 and 2,324.20

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Solution

The fourth proportional to 3,318.60, 4,579.89 and 2,324.20 is: 3,207.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.60 : 4,579.89 = 2,324.20 : x
  2. Step 2: Convert to fraction form
    3,318.60/4,579.89 = 2,324.20/x
  3. Step 3: Cross multiply
    3,318.60x = 4,579.89 × 2,324.20
  4. Step 4: Simplify right side
    3,318.60x = 10,644,570.35
  5. Step 5: Solve for x
    x = 10,644,570.35/3,318.60
  6. Step 6: Final answer
    x = 3,207.55

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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.