Home / 3,546.12-5,318.10-2,320.05

Finding the Fourth Proportional to 3,546.12, 5,318.10 and 2,320.05

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Solution

The fourth proportional to 3,546.12, 5,318.10 and 2,320.05 is: 3,479.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,546.12 : 5,318.10 = 2,320.05 : x
  2. Step 2: Convert to fraction form
    3,546.12/5,318.10 = 2,320.05/x
  3. Step 3: Cross multiply
    3,546.12x = 5,318.10 × 2,320.05
  4. Step 4: Simplify right side
    3,546.12x = 12,338,257.91
  5. Step 5: Solve for x
    x = 12,338,257.91/3,546.12
  6. Step 6: Final answer
    x = 3,479.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.