Home / 3,389.72-5,084.58-1,197.92

Finding the Fourth Proportional to 3,389.72, 5,084.58 and 1,197.92

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Solution

The fourth proportional to 3,389.72, 5,084.58 and 1,197.92 is: 1,796.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389.72 : 5,084.58 = 1,197.92 : x
  2. Step 2: Convert to fraction form
    3,389.72/5,084.58 = 1,197.92/x
  3. Step 3: Cross multiply
    3,389.72x = 5,084.58 × 1,197.92
  4. Step 4: Simplify right side
    3,389.72x = 6,090,920.07
  5. Step 5: Solve for x
    x = 6,090,920.07/3,389.72
  6. Step 6: Final answer
    x = 1,796.88

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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.