Home / 2,184.65-3,270.69-1,639.11

Finding the Fourth Proportional to 2,184.65, 3,270.69 and 1,639.11

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Solution

The fourth proportional to 2,184.65, 3,270.69 and 1,639.11 is: 2,453.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,184.65 : 3,270.69 = 1,639.11 : x
  2. Step 2: Convert to fraction form
    2,184.65/3,270.69 = 1,639.11/x
  3. Step 3: Cross multiply
    2,184.65x = 3,270.69 × 1,639.11
  4. Step 4: Simplify right side
    2,184.65x = 5,361,020.69
  5. Step 5: Solve for x
    x = 5,361,020.69/2,184.65
  6. Step 6: Final answer
    x = 2,453.96

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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.