Home / 3,272.11-4,909.53-2,102.74

Finding the Fourth Proportional to 3,272.11, 4,909.53 and 2,102.74

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Solution

The fourth proportional to 3,272.11, 4,909.53 and 2,102.74 is: 3,154.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,272.11 : 4,909.53 = 2,102.74 : x
  2. Step 2: Convert to fraction form
    3,272.11/4,909.53 = 2,102.74/x
  3. Step 3: Cross multiply
    3,272.11x = 4,909.53 × 2,102.74
  4. Step 4: Simplify right side
    3,272.11x = 10,323,465.11
  5. Step 5: Solve for x
    x = 10,323,465.11/3,272.11
  6. Step 6: Final answer
    x = 3,154.99

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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.