Home / 3,376.50-4,661.78-2,182.02

Finding the Fourth Proportional to 3,376.50, 4,661.78 and 2,182.02

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Solution

The fourth proportional to 3,376.50, 4,661.78 and 2,182.02 is: 3,012.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,376.50 : 4,661.78 = 2,182.02 : x
  2. Step 2: Convert to fraction form
    3,376.50/4,661.78 = 2,182.02/x
  3. Step 3: Cross multiply
    3,376.50x = 4,661.78 × 2,182.02
  4. Step 4: Simplify right side
    3,376.50x = 10,172,097.20
  5. Step 5: Solve for x
    x = 10,172,097.20/3,376.50
  6. Step 6: Final answer
    x = 3,012.62

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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.