Home / 3,279.49-4,918.17-1,087.63

Finding the Fourth Proportional to 3,279.49, 4,918.17 and 1,087.63

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Solution

The fourth proportional to 3,279.49, 4,918.17 and 1,087.63 is: 1,631.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279.49 : 4,918.17 = 1,087.63 : x
  2. Step 2: Convert to fraction form
    3,279.49/4,918.17 = 1,087.63/x
  3. Step 3: Cross multiply
    3,279.49x = 4,918.17 × 1,087.63
  4. Step 4: Simplify right side
    3,279.49x = 5,349,164.25
  5. Step 5: Solve for x
    x = 5,349,164.25/3,279.49
  6. Step 6: Final answer
    x = 1,631.10

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1.5x scale

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.