Home / 3,271.80-4,517.64-2,013.45

Finding the Fourth Proportional to 3,271.80, 4,517.64 and 2,013.45

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Solution

The fourth proportional to 3,271.80, 4,517.64 and 2,013.45 is: 2,780.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.80 : 4,517.64 = 2,013.45 : x
  2. Step 2: Convert to fraction form
    3,271.80/4,517.64 = 2,013.45/x
  3. Step 3: Cross multiply
    3,271.80x = 4,517.64 × 2,013.45
  4. Step 4: Simplify right side
    3,271.80x = 9,096,042.26
  5. Step 5: Solve for x
    x = 9,096,042.26/3,271.80
  6. Step 6: Final answer
    x = 2,780.13

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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.