Home / 2,079.93-2,871.41-1,372.26

Finding the Fourth Proportional to 2,079.93, 2,871.41 and 1,372.26

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Solution

The fourth proportional to 2,079.93, 2,871.41 and 1,372.26 is: 1,894.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079.93 : 2,871.41 = 1,372.26 : x
  2. Step 2: Convert to fraction form
    2,079.93/2,871.41 = 1,372.26/x
  3. Step 3: Cross multiply
    2,079.93x = 2,871.41 × 1,372.26
  4. Step 4: Simplify right side
    2,079.93x = 3,940,321.09
  5. Step 5: Solve for x
    x = 3,940,321.09/2,079.93
  6. Step 6: Final answer
    x = 1,894.45

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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.