Home / 3,740.23-5,610.35-1,273.78

Finding the Fourth Proportional to 3,740.23, 5,610.35 and 1,273.78

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Solution

The fourth proportional to 3,740.23, 5,610.35 and 1,273.78 is: 1,910.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740.23 : 5,610.35 = 1,273.78 : x
  2. Step 2: Convert to fraction form
    3,740.23/5,610.35 = 1,273.78/x
  3. Step 3: Cross multiply
    3,740.23x = 5,610.35 × 1,273.78
  4. Step 4: Simplify right side
    3,740.23x = 7,146,351.62
  5. Step 5: Solve for x
    x = 7,146,351.62/3,740.23
  6. Step 6: Final answer
    x = 1,910.67

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1.5x scale

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.