Home / 3,272.28-4,909.23-1,540.50

Finding the Fourth Proportional to 3,272.28, 4,909.23 and 1,540.50

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Solution

The fourth proportional to 3,272.28, 4,909.23 and 1,540.50 is: 2,311.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,272.28 : 4,909.23 = 1,540.50 : x
  2. Step 2: Convert to fraction form
    3,272.28/4,909.23 = 1,540.50/x
  3. Step 3: Cross multiply
    3,272.28x = 4,909.23 × 1,540.50
  4. Step 4: Simplify right side
    3,272.28x = 7,562,668.82
  5. Step 5: Solve for x
    x = 7,562,668.82/3,272.28
  6. Step 6: Final answer
    x = 2,311.13

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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.