Home / 2,541.62-3,812.42-1,079.75

Finding the Fourth Proportional to 2,541.62, 3,812.42 and 1,079.75

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Solution

The fourth proportional to 2,541.62, 3,812.42 and 1,079.75 is: 1,619.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,541.62 : 3,812.42 = 1,079.75 : x
  2. Step 2: Convert to fraction form
    2,541.62/3,812.42 = 1,079.75/x
  3. Step 3: Cross multiply
    2,541.62x = 3,812.42 × 1,079.75
  4. Step 4: Simplify right side
    2,541.62x = 4,116,444.13
  5. Step 5: Solve for x
    x = 4,116,444.13/2,541.62
  6. Step 6: Final answer
    x = 1,619.62

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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.