Home / 3,239.69-4,471.16-1,823.91

Finding the Fourth Proportional to 3,239.69, 4,471.16 and 1,823.91

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Solution

The fourth proportional to 3,239.69, 4,471.16 and 1,823.91 is: 2,517.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,239.69 : 4,471.16 = 1,823.91 : x
  2. Step 2: Convert to fraction form
    3,239.69/4,471.16 = 1,823.91/x
  3. Step 3: Cross multiply
    3,239.69x = 4,471.16 × 1,823.91
  4. Step 4: Simplify right side
    3,239.69x = 8,154,975.64
  5. Step 5: Solve for x
    x = 8,154,975.64/3,239.69
  6. Step 6: Final answer
    x = 2,517.21

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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.