Home / 3,454.80-4,769.97-2,656.71

Finding the Fourth Proportional to 3,454.80, 4,769.97 and 2,656.71

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Solution

The fourth proportional to 3,454.80, 4,769.97 and 2,656.71 is: 3,668.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,454.80 : 4,769.97 = 2,656.71 : x
  2. Step 2: Convert to fraction form
    3,454.80/4,769.97 = 2,656.71/x
  3. Step 3: Cross multiply
    3,454.80x = 4,769.97 × 2,656.71
  4. Step 4: Simplify right side
    3,454.80x = 12,672,427.00
  5. Step 5: Solve for x
    x = 12,672,427.00/3,454.80
  6. Step 6: Final answer
    x = 3,668.06

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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.