Home / 4,171.20-5,755.84-2,308.08

Finding the Fourth Proportional to 4,171.20, 5,755.84 and 2,308.08

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Solution

The fourth proportional to 4,171.20, 5,755.84 and 2,308.08 is: 3,184.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,171.20 : 5,755.84 = 2,308.08 : x
  2. Step 2: Convert to fraction form
    4,171.20/5,755.84 = 2,308.08/x
  3. Step 3: Cross multiply
    4,171.20x = 5,755.84 × 2,308.08
  4. Step 4: Simplify right side
    4,171.20x = 13,284,939.19
  5. Step 5: Solve for x
    x = 13,284,939.19/4,171.20
  6. Step 6: Final answer
    x = 3,184.92

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1.5x scale

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.