Home / 3,289.61-4,540.46-2,169.99

Finding the Fourth Proportional to 3,289.61, 4,540.46 and 2,169.99

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Solution

The fourth proportional to 3,289.61, 4,540.46 and 2,169.99 is: 2,995.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.61 : 4,540.46 = 2,169.99 : x
  2. Step 2: Convert to fraction form
    3,289.61/4,540.46 = 2,169.99/x
  3. Step 3: Cross multiply
    3,289.61x = 4,540.46 × 2,169.99
  4. Step 4: Simplify right side
    3,289.61x = 9,852,741.95
  5. Step 5: Solve for x
    x = 9,852,741.95/3,289.61
  6. Step 6: Final answer
    x = 2,995.11

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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.