Home / 3,458.28-5,189.22-2,641.80

Finding the Fourth Proportional to 3,458.28, 5,189.22 and 2,641.80

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Solution

The fourth proportional to 3,458.28, 5,189.22 and 2,641.80 is: 3,964.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458.28 : 5,189.22 = 2,641.80 : x
  2. Step 2: Convert to fraction form
    3,458.28/5,189.22 = 2,641.80/x
  3. Step 3: Cross multiply
    3,458.28x = 5,189.22 × 2,641.80
  4. Step 4: Simplify right side
    3,458.28x = 13,708,881.40
  5. Step 5: Solve for x
    x = 13,708,881.40/3,458.28
  6. Step 6: Final answer
    x = 3,964.08

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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.