Home / 2,803.12-4,204.92-1,159.12

Finding the Fourth Proportional to 2,803.12, 4,204.92 and 1,159.12

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Solution

The fourth proportional to 2,803.12, 4,204.92 and 1,159.12 is: 1,738.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,803.12 : 4,204.92 = 1,159.12 : x
  2. Step 2: Convert to fraction form
    2,803.12/4,204.92 = 1,159.12/x
  3. Step 3: Cross multiply
    2,803.12x = 4,204.92 × 1,159.12
  4. Step 4: Simplify right side
    2,803.12x = 4,874,006.87
  5. Step 5: Solve for x
    x = 4,874,006.87/2,803.12
  6. Step 6: Final answer
    x = 1,738.78

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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.