Home / 2,146.19-2,961.81-1,202.02

Finding the Fourth Proportional to 2,146.19, 2,961.81 and 1,202.02

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Solution

The fourth proportional to 2,146.19, 2,961.81 and 1,202.02 is: 1,658.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146.19 : 2,961.81 = 1,202.02 : x
  2. Step 2: Convert to fraction form
    2,146.19/2,961.81 = 1,202.02/x
  3. Step 3: Cross multiply
    2,146.19x = 2,961.81 × 1,202.02
  4. Step 4: Simplify right side
    2,146.19x = 3,560,154.86
  5. Step 5: Solve for x
    x = 3,560,154.86/2,146.19
  6. Step 6: Final answer
    x = 1,658.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.