Home / 3,339.11-5,007.15-1,778.72

Finding the Fourth Proportional to 3,339.11, 5,007.15 and 1,778.72

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Solution

The fourth proportional to 3,339.11, 5,007.15 and 1,778.72 is: 2,667.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,339.11 : 5,007.15 = 1,778.72 : x
  2. Step 2: Convert to fraction form
    3,339.11/5,007.15 = 1,778.72/x
  3. Step 3: Cross multiply
    3,339.11x = 5,007.15 × 1,778.72
  4. Step 4: Simplify right side
    3,339.11x = 8,906,292.81
  5. Step 5: Solve for x
    x = 8,906,292.81/3,339.11
  6. Step 6: Final answer
    x = 2,667.26

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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.