Home / 3,559.71-5,339.55-1,999.73

Finding the Fourth Proportional to 3,559.71, 5,339.55 and 1,999.73

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Solution

The fourth proportional to 3,559.71, 5,339.55 and 1,999.73 is: 2,999.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,559.71 : 5,339.55 = 1,999.73 : x
  2. Step 2: Convert to fraction form
    3,559.71/5,339.55 = 1,999.73/x
  3. Step 3: Cross multiply
    3,559.71x = 5,339.55 × 1,999.73
  4. Step 4: Simplify right side
    3,559.71x = 10,677,631.62
  5. Step 5: Solve for x
    x = 10,677,631.62/3,559.71
  6. Step 6: Final answer
    x = 2,999.58

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Half scale
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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.