Home / 3,722.18-5,584.12-1,642.78

Finding the Fourth Proportional to 3,722.18, 5,584.12 and 1,642.78

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Solution

The fourth proportional to 3,722.18, 5,584.12 and 1,642.78 is: 2,464.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.18 : 5,584.12 = 1,642.78 : x
  2. Step 2: Convert to fraction form
    3,722.18/5,584.12 = 1,642.78/x
  3. Step 3: Cross multiply
    3,722.18x = 5,584.12 × 1,642.78
  4. Step 4: Simplify right side
    3,722.18x = 9,173,480.65
  5. Step 5: Solve for x
    x = 9,173,480.65/3,722.18
  6. Step 6: Final answer
    x = 2,464.55

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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.