Home / 3,740.70-5,610.60-2,181.60

Finding the Fourth Proportional to 3,740.70, 5,610.60 and 2,181.60

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Solution

The fourth proportional to 3,740.70, 5,610.60 and 2,181.60 is: 3,272.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740.70 : 5,610.60 = 2,181.60 : x
  2. Step 2: Convert to fraction form
    3,740.70/5,610.60 = 2,181.60/x
  3. Step 3: Cross multiply
    3,740.70x = 5,610.60 × 2,181.60
  4. Step 4: Simplify right side
    3,740.70x = 12,240,084.96
  5. Step 5: Solve for x
    x = 12,240,084.96/3,740.70
  6. Step 6: Final answer
    x = 3,272.14

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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.