Home / 3,239.88-4,468.68-2,245.20

Finding the Fourth Proportional to 3,239.88, 4,468.68 and 2,245.20

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Solution

The fourth proportional to 3,239.88, 4,468.68 and 2,245.20 is: 3,096.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,239.88 : 4,468.68 = 2,245.20 : x
  2. Step 2: Convert to fraction form
    3,239.88/4,468.68 = 2,245.20/x
  3. Step 3: Cross multiply
    3,239.88x = 4,468.68 × 2,245.20
  4. Step 4: Simplify right side
    3,239.88x = 10,033,080.34
  5. Step 5: Solve for x
    x = 10,033,080.34/3,239.88
  6. Step 6: Final answer
    x = 3,096.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.