Home / 2,982.81-4,474.32-1,252.65

Finding the Fourth Proportional to 2,982.81, 4,474.32 and 1,252.65

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Solution

The fourth proportional to 2,982.81, 4,474.32 and 1,252.65 is: 1,879.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982.81 : 4,474.32 = 1,252.65 : x
  2. Step 2: Convert to fraction form
    2,982.81/4,474.32 = 1,252.65/x
  3. Step 3: Cross multiply
    2,982.81x = 4,474.32 × 1,252.65
  4. Step 4: Simplify right side
    2,982.81x = 5,604,756.95
  5. Step 5: Solve for x
    x = 5,604,756.95/2,982.81
  6. Step 6: Final answer
    x = 1,879.02

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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.