Home / 3,721.67-5,566.40-2,157.96

Finding the Fourth Proportional to 3,721.67, 5,566.40 and 2,157.96

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Solution

The fourth proportional to 3,721.67, 5,566.40 and 2,157.96 is: 3,227.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721.67 : 5,566.40 = 2,157.96 : x
  2. Step 2: Convert to fraction form
    3,721.67/5,566.40 = 2,157.96/x
  3. Step 3: Cross multiply
    3,721.67x = 5,566.40 × 2,157.96
  4. Step 4: Simplify right side
    3,721.67x = 12,012,068.54
  5. Step 5: Solve for x
    x = 12,012,068.54/3,721.67
  6. Step 6: Final answer
    x = 3,227.60

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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.