Home / 2,851.62-4,276.17-1,119.06

Finding the Fourth Proportional to 2,851.62, 4,276.17 and 1,119.06

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Solution

The fourth proportional to 2,851.62, 4,276.17 and 1,119.06 is: 1,678.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,851.62 : 4,276.17 = 1,119.06 : x
  2. Step 2: Convert to fraction form
    2,851.62/4,276.17 = 1,119.06/x
  3. Step 3: Cross multiply
    2,851.62x = 4,276.17 × 1,119.06
  4. Step 4: Simplify right side
    2,851.62x = 4,785,290.80
  5. Step 5: Solve for x
    x = 4,785,290.80/2,851.62
  6. Step 6: Final answer
    x = 1,678.10

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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.