Home / 3,899.31-5,851.79-1,527.75

Finding the Fourth Proportional to 3,899.31, 5,851.79 and 1,527.75

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Solution

The fourth proportional to 3,899.31, 5,851.79 and 1,527.75 is: 2,292.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,899.31 : 5,851.79 = 1,527.75 : x
  2. Step 2: Convert to fraction form
    3,899.31/5,851.79 = 1,527.75/x
  3. Step 3: Cross multiply
    3,899.31x = 5,851.79 × 1,527.75
  4. Step 4: Simplify right side
    3,899.31x = 8,940,035.27
  5. Step 5: Solve for x
    x = 8,940,035.27/3,899.31
  6. Step 6: Final answer
    x = 2,292.72

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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.