Home / 2,929.11-4,393.67-2,149.89

Finding the Fourth Proportional to 2,929.11, 4,393.67 and 2,149.89

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Solution

The fourth proportional to 2,929.11, 4,393.67 and 2,149.89 is: 3,224.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.11 : 4,393.67 = 2,149.89 : x
  2. Step 2: Convert to fraction form
    2,929.11/4,393.67 = 2,149.89/x
  3. Step 3: Cross multiply
    2,929.11x = 4,393.67 × 2,149.89
  4. Step 4: Simplify right side
    2,929.11x = 9,445,896.45
  5. Step 5: Solve for x
    x = 9,445,896.45/2,929.11
  6. Step 6: Final answer
    x = 3,224.84

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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.