Home / 3,559.32-5,338.96-1,979.04

Finding the Fourth Proportional to 3,559.32, 5,338.96 and 1,979.04

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Solution

The fourth proportional to 3,559.32, 5,338.96 and 1,979.04 is: 2,968.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,559.32 : 5,338.96 = 1,979.04 : x
  2. Step 2: Convert to fraction form
    3,559.32/5,338.96 = 1,979.04/x
  3. Step 3: Cross multiply
    3,559.32x = 5,338.96 × 1,979.04
  4. Step 4: Simplify right side
    3,559.32x = 10,566,015.40
  5. Step 5: Solve for x
    x = 10,566,015.40/3,559.32
  6. Step 6: Final answer
    x = 2,968.55

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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.