Home / 3,275.40-4,909.26-1,540.44

Finding the Fourth Proportional to 3,275.40, 4,909.26 and 1,540.44

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Solution

The fourth proportional to 3,275.40, 4,909.26 and 1,540.44 is: 2,308.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275.40 : 4,909.26 = 1,540.44 : x
  2. Step 2: Convert to fraction form
    3,275.40/4,909.26 = 1,540.44/x
  3. Step 3: Cross multiply
    3,275.40x = 4,909.26 × 1,540.44
  4. Step 4: Simplify right side
    3,275.40x = 7,562,420.47
  5. Step 5: Solve for x
    x = 7,562,420.47/3,275.40
  6. Step 6: Final answer
    x = 2,308.85

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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.