Home / 3,049.22-4,209.09-1,871.89

Finding the Fourth Proportional to 3,049.22, 4,209.09 and 1,871.89

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Solution

The fourth proportional to 3,049.22, 4,209.09 and 1,871.89 is: 2,583.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,049.22 : 4,209.09 = 1,871.89 : x
  2. Step 2: Convert to fraction form
    3,049.22/4,209.09 = 1,871.89/x
  3. Step 3: Cross multiply
    3,049.22x = 4,209.09 × 1,871.89
  4. Step 4: Simplify right side
    3,049.22x = 7,878,953.48
  5. Step 5: Solve for x
    x = 7,878,953.48/3,049.22
  6. Step 6: Final answer
    x = 2,583.92

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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.