Home / 3,967.88-5,475.16-2,289.29

Finding the Fourth Proportional to 3,967.88, 5,475.16 and 2,289.29

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Solution

The fourth proportional to 3,967.88, 5,475.16 and 2,289.29 is: 3,158.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,967.88 : 5,475.16 = 2,289.29 : x
  2. Step 2: Convert to fraction form
    3,967.88/5,475.16 = 2,289.29/x
  3. Step 3: Cross multiply
    3,967.88x = 5,475.16 × 2,289.29
  4. Step 4: Simplify right side
    3,967.88x = 12,534,201.66
  5. Step 5: Solve for x
    x = 12,534,201.66/3,967.88
  6. Step 6: Final answer
    x = 3,158.92

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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.