Home / 3,115.04-4,668.30-2,422.52

Finding the Fourth Proportional to 3,115.04, 4,668.30 and 2,422.52

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Solution

The fourth proportional to 3,115.04, 4,668.30 and 2,422.52 is: 3,630.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115.04 : 4,668.30 = 2,422.52 : x
  2. Step 2: Convert to fraction form
    3,115.04/4,668.30 = 2,422.52/x
  3. Step 3: Cross multiply
    3,115.04x = 4,668.30 × 2,422.52
  4. Step 4: Simplify right side
    3,115.04x = 11,309,050.12
  5. Step 5: Solve for x
    x = 11,309,050.12/3,115.04
  6. Step 6: Final answer
    x = 3,630.47

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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.