Home / 2,812.61-4,219.10-1,169.29

Finding the Fourth Proportional to 2,812.61, 4,219.10 and 1,169.29

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Solution

The fourth proportional to 2,812.61, 4,219.10 and 1,169.29 is: 1,754.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812.61 : 4,219.10 = 1,169.29 : x
  2. Step 2: Convert to fraction form
    2,812.61/4,219.10 = 1,169.29/x
  3. Step 3: Cross multiply
    2,812.61x = 4,219.10 × 1,169.29
  4. Step 4: Simplify right side
    2,812.61x = 4,933,351.44
  5. Step 5: Solve for x
    x = 4,933,351.44/2,812.61
  6. Step 6: Final answer
    x = 1,754.01

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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.