Home / 3,291.13-4,543.25-2,097.75

Finding the Fourth Proportional to 3,291.13, 4,543.25 and 2,097.75

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Solution

The fourth proportional to 3,291.13, 4,543.25 and 2,097.75 is: 2,895.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291.13 : 4,543.25 = 2,097.75 : x
  2. Step 2: Convert to fraction form
    3,291.13/4,543.25 = 2,097.75/x
  3. Step 3: Cross multiply
    3,291.13x = 4,543.25 × 2,097.75
  4. Step 4: Simplify right side
    3,291.13x = 9,530,614.05
  5. Step 5: Solve for x
    x = 9,530,614.05/3,291.13
  6. Step 6: Final answer
    x = 2,895.85

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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.