Home / 2,146.42-2,961.80-1,202.08

Finding the Fourth Proportional to 2,146.42, 2,961.80 and 1,202.08

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Solution

The fourth proportional to 2,146.42, 2,961.80 and 1,202.08 is: 1,658.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146.42 : 2,961.80 = 1,202.08 : x
  2. Step 2: Convert to fraction form
    2,146.42/2,961.80 = 1,202.08/x
  3. Step 3: Cross multiply
    2,146.42x = 2,961.80 × 1,202.08
  4. Step 4: Simplify right side
    2,146.42x = 3,560,320.54
  5. Step 5: Solve for x
    x = 3,560,320.54/2,146.42
  6. Step 6: Final answer
    x = 1,658.73

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1.5x scale

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.