Home / 3,097.44-4,268.70-2,102.76

Finding the Fourth Proportional to 3,097.44, 4,268.70 and 2,102.76

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Solution

The fourth proportional to 3,097.44, 4,268.70 and 2,102.76 is: 2,897.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,097.44 : 4,268.70 = 2,102.76 : x
  2. Step 2: Convert to fraction form
    3,097.44/4,268.70 = 2,102.76/x
  3. Step 3: Cross multiply
    3,097.44x = 4,268.70 × 2,102.76
  4. Step 4: Simplify right side
    3,097.44x = 8,976,051.61
  5. Step 5: Solve for x
    x = 8,976,051.61/3,097.44
  6. Step 6: Final answer
    x = 2,897.89

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Half scale
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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.