Home / 2,882.25-4,319.32-1,647.81

Finding the Fourth Proportional to 2,882.25, 4,319.32 and 1,647.81

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Solution

The fourth proportional to 2,882.25, 4,319.32 and 1,647.81 is: 2,469.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,882.25 : 4,319.32 = 1,647.81 : x
  2. Step 2: Convert to fraction form
    2,882.25/4,319.32 = 1,647.81/x
  3. Step 3: Cross multiply
    2,882.25x = 4,319.32 × 1,647.81
  4. Step 4: Simplify right side
    2,882.25x = 7,117,418.69
  5. Step 5: Solve for x
    x = 7,117,418.69/2,882.25
  6. Step 6: Final answer
    x = 2,469.40

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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.