Home / 3,199.65-4,799.73-1,119.60

Finding the Fourth Proportional to 3,199.65, 4,799.73 and 1,119.60

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Solution

The fourth proportional to 3,199.65, 4,799.73 and 1,119.60 is: 1,679.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,199.65 : 4,799.73 = 1,119.60 : x
  2. Step 2: Convert to fraction form
    3,199.65/4,799.73 = 1,119.60/x
  3. Step 3: Cross multiply
    3,199.65x = 4,799.73 × 1,119.60
  4. Step 4: Simplify right side
    3,199.65x = 5,373,777.71
  5. Step 5: Solve for x
    x = 5,373,777.71/3,199.65
  6. Step 6: Final answer
    x = 1,679.49

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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.