Home / 3,149.03-4,345.97-1,822.65

Finding the Fourth Proportional to 3,149.03, 4,345.97 and 1,822.65

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Solution

The fourth proportional to 3,149.03, 4,345.97 and 1,822.65 is: 2,515.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149.03 : 4,345.97 = 1,822.65 : x
  2. Step 2: Convert to fraction form
    3,149.03/4,345.97 = 1,822.65/x
  3. Step 3: Cross multiply
    3,149.03x = 4,345.97 × 1,822.65
  4. Step 4: Simplify right side
    3,149.03x = 7,921,173.11
  5. Step 5: Solve for x
    x = 7,921,173.11/3,149.03
  6. Step 6: Final answer
    x = 2,515.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.