Home / 3,827.12-5,740.50-1,229.72

Finding the Fourth Proportional to 3,827.12, 5,740.50 and 1,229.72

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Solution

The fourth proportional to 3,827.12, 5,740.50 and 1,229.72 is: 1,844.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,827.12 : 5,740.50 = 1,229.72 : x
  2. Step 2: Convert to fraction form
    3,827.12/5,740.50 = 1,229.72/x
  3. Step 3: Cross multiply
    3,827.12x = 5,740.50 × 1,229.72
  4. Step 4: Simplify right side
    3,827.12x = 7,059,207.66
  5. Step 5: Solve for x
    x = 7,059,207.66/3,827.12
  6. Step 6: Final answer
    x = 1,844.52

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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.