Home / 3,659.39-5,488.50-1,194.20

Finding the Fourth Proportional to 3,659.39, 5,488.50 and 1,194.20

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Solution

The fourth proportional to 3,659.39, 5,488.50 and 1,194.20 is: 1,791.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,659.39 : 5,488.50 = 1,194.20 : x
  2. Step 2: Convert to fraction form
    3,659.39/5,488.50 = 1,194.20/x
  3. Step 3: Cross multiply
    3,659.39x = 5,488.50 × 1,194.20
  4. Step 4: Simplify right side
    3,659.39x = 6,554,339.26
  5. Step 5: Solve for x
    x = 6,554,339.26/3,659.39
  6. Step 6: Final answer
    x = 1,791.10

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Double scale
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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.