Home / 2,814.11-4,223.04-1,170.65

Finding the Fourth Proportional to 2,814.11, 4,223.04 and 1,170.65

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Solution

The fourth proportional to 2,814.11, 4,223.04 and 1,170.65 is: 1,756.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,814.11 : 4,223.04 = 1,170.65 : x
  2. Step 2: Convert to fraction form
    2,814.11/4,223.04 = 1,170.65/x
  3. Step 3: Cross multiply
    2,814.11x = 4,223.04 × 1,170.65
  4. Step 4: Simplify right side
    2,814.11x = 4,943,680.66
  5. Step 5: Solve for x
    x = 4,943,680.66/2,814.11
  6. Step 6: Final answer
    x = 1,756.75

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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.