Home / 3,920.31-5,864.04-2,750.25

Finding the Fourth Proportional to 3,920.31, 5,864.04 and 2,750.25

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Solution

The fourth proportional to 3,920.31, 5,864.04 and 2,750.25 is: 4,113.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,920.31 : 5,864.04 = 2,750.25 : x
  2. Step 2: Convert to fraction form
    3,920.31/5,864.04 = 2,750.25/x
  3. Step 3: Cross multiply
    3,920.31x = 5,864.04 × 2,750.25
  4. Step 4: Simplify right side
    3,920.31x = 16,127,576.01
  5. Step 5: Solve for x
    x = 16,127,576.01/3,920.31
  6. Step 6: Final answer
    x = 4,113.85

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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.