Home / 3,238.32-4,470.96-2,490.96

Finding the Fourth Proportional to 3,238.32, 4,470.96 and 2,490.96

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Solution

The fourth proportional to 3,238.32, 4,470.96 and 2,490.96 is: 3,439.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,238.32 : 4,470.96 = 2,490.96 : x
  2. Step 2: Convert to fraction form
    3,238.32/4,470.96 = 2,490.96/x
  3. Step 3: Cross multiply
    3,238.32x = 4,470.96 × 2,490.96
  4. Step 4: Simplify right side
    3,238.32x = 11,136,982.52
  5. Step 5: Solve for x
    x = 11,136,982.52/3,238.32
  6. Step 6: Final answer
    x = 3,439.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.