Home / 3,389.73-5,085-1,198.02

Finding the Fourth Proportional to 3,389.73, 5,085 and 1,198.02

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Solution

The fourth proportional to 3,389.73, 5,085 and 1,198.02 is: 1,797.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389.73 : 5,085 = 1,198.02 : x
  2. Step 2: Convert to fraction form
    3,389.73/5,085 = 1,198.02/x
  3. Step 3: Cross multiply
    3,389.73x = 5,085 × 1,198.02
  4. Step 4: Simplify right side
    3,389.73x = 6,091,931.70
  5. Step 5: Solve for x
    x = 6,091,931.70/3,389.73
  6. Step 6: Final answer
    x = 1,797.17

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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.