Home / 2,144.07-3,215.16-757.04

Finding the Fourth Proportional to 2,144.07, 3,215.16 and 757.04

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Solution

The fourth proportional to 2,144.07, 3,215.16 and 757.04 is: 1,135.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,144.07 : 3,215.16 = 757.04 : x
  2. Step 2: Convert to fraction form
    2,144.07/3,215.16 = 757.04/x
  3. Step 3: Cross multiply
    2,144.07x = 3,215.16 × 757.04
  4. Step 4: Simplify right side
    2,144.07x = 2,433,988.65
  5. Step 5: Solve for x
    x = 2,433,988.65/2,144.07
  6. Step 6: Final answer
    x = 1,135.22

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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.