Home / 2,871.11-4,305.24-1,021.94

Finding the Fourth Proportional to 2,871.11, 4,305.24 and 1,021.94

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Solution

The fourth proportional to 2,871.11, 4,305.24 and 1,021.94 is: 1,532.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,871.11 : 4,305.24 = 1,021.94 : x
  2. Step 2: Convert to fraction form
    2,871.11/4,305.24 = 1,021.94/x
  3. Step 3: Cross multiply
    2,871.11x = 4,305.24 × 1,021.94
  4. Step 4: Simplify right side
    2,871.11x = 4,399,696.97
  5. Step 5: Solve for x
    x = 4,399,696.97/2,871.11
  6. Step 6: Final answer
    x = 1,532.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.