Home / 3,539.73-5,309.37-1,199.55

Finding the Fourth Proportional to 3,539.73, 5,309.37 and 1,199.55

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Solution

The fourth proportional to 3,539.73, 5,309.37 and 1,199.55 is: 1,799.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539.73 : 5,309.37 = 1,199.55 : x
  2. Step 2: Convert to fraction form
    3,539.73/5,309.37 = 1,199.55/x
  3. Step 3: Cross multiply
    3,539.73x = 5,309.37 × 1,199.55
  4. Step 4: Simplify right side
    3,539.73x = 6,368,854.78
  5. Step 5: Solve for x
    x = 6,368,854.78/3,539.73
  6. Step 6: Final answer
    x = 1,799.25

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Double scale
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Similar ratio
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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.