Home / 3,648.71-5,475.77-2,713.79

Finding the Fourth Proportional to 3,648.71, 5,475.77 and 2,713.79

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Solution

The fourth proportional to 3,648.71, 5,475.77 and 2,713.79 is: 4,072.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,648.71 : 5,475.77 = 2,713.79 : x
  2. Step 2: Convert to fraction form
    3,648.71/5,475.77 = 2,713.79/x
  3. Step 3: Cross multiply
    3,648.71x = 5,475.77 × 2,713.79
  4. Step 4: Simplify right side
    3,648.71x = 14,860,076.30
  5. Step 5: Solve for x
    x = 14,860,076.30/3,648.71
  6. Step 6: Final answer
    x = 4,072.69

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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.