Home / 3,097.26-4,279.86-2,256.49

Finding the Fourth Proportional to 3,097.26, 4,279.86 and 2,256.49

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Solution

The fourth proportional to 3,097.26, 4,279.86 and 2,256.49 is: 3,118.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,097.26 : 4,279.86 = 2,256.49 : x
  2. Step 2: Convert to fraction form
    3,097.26/4,279.86 = 2,256.49/x
  3. Step 3: Cross multiply
    3,097.26x = 4,279.86 × 2,256.49
  4. Step 4: Simplify right side
    3,097.26x = 9,657,461.29
  5. Step 5: Solve for x
    x = 9,657,461.29/3,097.26
  6. Step 6: Final answer
    x = 3,118.07

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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.