Home / 3,740.30-5,610.93-1,274.46

Finding the Fourth Proportional to 3,740.30, 5,610.93 and 1,274.46

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Solution

The fourth proportional to 3,740.30, 5,610.93 and 1,274.46 is: 1,911.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740.30 : 5,610.93 = 1,274.46 : x
  2. Step 2: Convert to fraction form
    3,740.30/5,610.93 = 1,274.46/x
  3. Step 3: Cross multiply
    3,740.30x = 5,610.93 × 1,274.46
  4. Step 4: Simplify right side
    3,740.30x = 7,150,905.85
  5. Step 5: Solve for x
    x = 7,150,905.85/3,740.30
  6. Step 6: Final answer
    x = 1,911.85

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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.