Home / 2,654.14-3,659.16-2,279.50

Finding the Fourth Proportional to 2,654.14, 3,659.16 and 2,279.50

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Solution

The fourth proportional to 2,654.14, 3,659.16 and 2,279.50 is: 3,142.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,654.14 : 3,659.16 = 2,279.50 : x
  2. Step 2: Convert to fraction form
    2,654.14/3,659.16 = 2,279.50/x
  3. Step 3: Cross multiply
    2,654.14x = 3,659.16 × 2,279.50
  4. Step 4: Simplify right side
    2,654.14x = 8,341,055.22
  5. Step 5: Solve for x
    x = 8,341,055.22/2,654.14
  6. Step 6: Final answer
    x = 3,142.66

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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.