Home / 2,871.06-4,306.20-1,021.98

Finding the Fourth Proportional to 2,871.06, 4,306.20 and 1,021.98

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Solution

The fourth proportional to 2,871.06, 4,306.20 and 1,021.98 is: 1,532.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,871.06 : 4,306.20 = 1,021.98 : x
  2. Step 2: Convert to fraction form
    2,871.06/4,306.20 = 1,021.98/x
  3. Step 3: Cross multiply
    2,871.06x = 4,306.20 × 1,021.98
  4. Step 4: Simplify right side
    2,871.06x = 4,400,850.28
  5. Step 5: Solve for x
    x = 4,400,850.28/2,871.06
  6. Step 6: Final answer
    x = 1,532.83

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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.