Home / 2,781.08-4,167.46-2,576.05

Finding the Fourth Proportional to 2,781.08, 4,167.46 and 2,576.05

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Solution

The fourth proportional to 2,781.08, 4,167.46 and 2,576.05 is: 3,860.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,781.08 : 4,167.46 = 2,576.05 : x
  2. Step 2: Convert to fraction form
    2,781.08/4,167.46 = 2,576.05/x
  3. Step 3: Cross multiply
    2,781.08x = 4,167.46 × 2,576.05
  4. Step 4: Simplify right side
    2,781.08x = 10,735,564.50
  5. Step 5: Solve for x
    x = 10,735,564.50/2,781.08
  6. Step 6: Final answer
    x = 3,860.21

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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.