Home / 3,951.64-5,451.40-2,608.66

Finding the Fourth Proportional to 3,951.64, 5,451.40 and 2,608.66

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Solution

The fourth proportional to 3,951.64, 5,451.40 and 2,608.66 is: 3,598.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,951.64 : 5,451.40 = 2,608.66 : x
  2. Step 2: Convert to fraction form
    3,951.64/5,451.40 = 2,608.66/x
  3. Step 3: Cross multiply
    3,951.64x = 5,451.40 × 2,608.66
  4. Step 4: Simplify right side
    3,951.64x = 14,220,849.12
  5. Step 5: Solve for x
    x = 14,220,849.12/3,951.64
  6. Step 6: Final answer
    x = 3,598.72

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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.