Home / 2,146.26-2,961.85-1,202.05

Finding the Fourth Proportional to 2,146.26, 2,961.85 and 1,202.05

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Solution

The fourth proportional to 2,146.26, 2,961.85 and 1,202.05 is: 1,658.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146.26 : 2,961.85 = 1,202.05 : x
  2. Step 2: Convert to fraction form
    2,146.26/2,961.85 = 1,202.05/x
  3. Step 3: Cross multiply
    2,146.26x = 2,961.85 × 1,202.05
  4. Step 4: Simplify right side
    2,146.26x = 3,560,291.79
  5. Step 5: Solve for x
    x = 3,560,291.79/2,146.26
  6. Step 6: Final answer
    x = 1,658.84

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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.