Home / 3,740.61-5,609.07-2,181.15

Finding the Fourth Proportional to 3,740.61, 5,609.07 and 2,181.15

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Solution

The fourth proportional to 3,740.61, 5,609.07 and 2,181.15 is: 3,270.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740.61 : 5,609.07 = 2,181.15 : x
  2. Step 2: Convert to fraction form
    3,740.61/5,609.07 = 2,181.15/x
  3. Step 3: Cross multiply
    3,740.61x = 5,609.07 × 2,181.15
  4. Step 4: Simplify right side
    3,740.61x = 12,234,223.03
  5. Step 5: Solve for x
    x = 12,234,223.03/3,740.61
  6. Step 6: Final answer
    x = 3,270.65

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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.