Home / 3,827.85-5,729.85-2,948.07

Finding the Fourth Proportional to 3,827.85, 5,729.85 and 2,948.07

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Solution

The fourth proportional to 3,827.85, 5,729.85 and 2,948.07 is: 4,412.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,827.85 : 5,729.85 = 2,948.07 : x
  2. Step 2: Convert to fraction form
    3,827.85/5,729.85 = 2,948.07/x
  3. Step 3: Cross multiply
    3,827.85x = 5,729.85 × 2,948.07
  4. Step 4: Simplify right side
    3,827.85x = 16,891,998.89
  5. Step 5: Solve for x
    x = 16,891,998.89/3,827.85
  6. Step 6: Final answer
    x = 4,412.92

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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.