Home / 3,102.72-4,657.32-2,281.92

Finding the Fourth Proportional to 3,102.72, 4,657.32 and 2,281.92

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Solution

The fourth proportional to 3,102.72, 4,657.32 and 2,281.92 is: 3,425.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102.72 : 4,657.32 = 2,281.92 : x
  2. Step 2: Convert to fraction form
    3,102.72/4,657.32 = 2,281.92/x
  3. Step 3: Cross multiply
    3,102.72x = 4,657.32 × 2,281.92
  4. Step 4: Simplify right side
    3,102.72x = 10,627,631.65
  5. Step 5: Solve for x
    x = 10,627,631.65/3,102.72
  6. Step 6: Final answer
    x = 3,425.26

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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.