Home / 2,722.90-4,078.88-2,304.64

Finding the Fourth Proportional to 2,722.90, 4,078.88 and 2,304.64

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Solution

The fourth proportional to 2,722.90, 4,078.88 and 2,304.64 is: 3,452.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.90 : 4,078.88 = 2,304.64 : x
  2. Step 2: Convert to fraction form
    2,722.90/4,078.88 = 2,304.64/x
  3. Step 3: Cross multiply
    2,722.90x = 4,078.88 × 2,304.64
  4. Step 4: Simplify right side
    2,722.90x = 9,400,339.81
  5. Step 5: Solve for x
    x = 9,400,339.81/2,722.90
  6. Step 6: Final answer
    x = 3,452.33

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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.