Home / 3,886.15-5,817.79-2,567.47

Finding the Fourth Proportional to 3,886.15, 5,817.79 and 2,567.47

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Solution

The fourth proportional to 3,886.15, 5,817.79 and 2,567.47 is: 3,843.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886.15 : 5,817.79 = 2,567.47 : x
  2. Step 2: Convert to fraction form
    3,886.15/5,817.79 = 2,567.47/x
  3. Step 3: Cross multiply
    3,886.15x = 5,817.79 × 2,567.47
  4. Step 4: Simplify right side
    3,886.15x = 14,937,001.29
  5. Step 5: Solve for x
    x = 14,937,001.29/3,886.15
  6. Step 6: Final answer
    x = 3,843.65

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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.