Home / 3,207.72-4,434.18-2,284.20

Finding the Fourth Proportional to 3,207.72, 4,434.18 and 2,284.20

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Solution

The fourth proportional to 3,207.72, 4,434.18 and 2,284.20 is: 3,157.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.72 : 4,434.18 = 2,284.20 : x
  2. Step 2: Convert to fraction form
    3,207.72/4,434.18 = 2,284.20/x
  3. Step 3: Cross multiply
    3,207.72x = 4,434.18 × 2,284.20
  4. Step 4: Simplify right side
    3,207.72x = 10,128,553.96
  5. Step 5: Solve for x
    x = 10,128,553.96/3,207.72
  6. Step 6: Final answer
    x = 3,157.56

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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.