Home / 2,967.75-4,451.62-1,119.28

Finding the Fourth Proportional to 2,967.75, 4,451.62 and 1,119.28

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Solution

The fourth proportional to 2,967.75, 4,451.62 and 1,119.28 is: 1,678.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,967.75 : 4,451.62 = 1,119.28 : x
  2. Step 2: Convert to fraction form
    2,967.75/4,451.62 = 1,119.28/x
  3. Step 3: Cross multiply
    2,967.75x = 4,451.62 × 1,119.28
  4. Step 4: Simplify right side
    2,967.75x = 4,982,609.23
  5. Step 5: Solve for x
    x = 4,982,609.23/2,967.75
  6. Step 6: Final answer
    x = 1,678.92

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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.