Home / 2,060.74-2,843.76-1,221.94

Finding the Fourth Proportional to 2,060.74, 2,843.76 and 1,221.94

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Solution

The fourth proportional to 2,060.74, 2,843.76 and 1,221.94 is: 1,686.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,060.74 : 2,843.76 = 1,221.94 : x
  2. Step 2: Convert to fraction form
    2,060.74/2,843.76 = 1,221.94/x
  3. Step 3: Cross multiply
    2,060.74x = 2,843.76 × 1,221.94
  4. Step 4: Simplify right side
    2,060.74x = 3,474,904.09
  5. Step 5: Solve for x
    x = 3,474,904.09/2,060.74
  6. Step 6: Final answer
    x = 1,686.24

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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.