Home / 1,872.46-2,807.34-1,169.92

Finding the Fourth Proportional to 1,872.46, 2,807.34 and 1,169.92

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Solution

The fourth proportional to 1,872.46, 2,807.34 and 1,169.92 is: 1,754.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872.46 : 2,807.34 = 1,169.92 : x
  2. Step 2: Convert to fraction form
    1,872.46/2,807.34 = 1,169.92/x
  3. Step 3: Cross multiply
    1,872.46x = 2,807.34 × 1,169.92
  4. Step 4: Simplify right side
    1,872.46x = 3,284,363.21
  5. Step 5: Solve for x
    x = 3,284,363.21/1,872.46
  6. Step 6: Final answer
    x = 1,754.04

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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.