Home / 3,440.34-5,160.78-1,131.84

Finding the Fourth Proportional to 3,440.34, 5,160.78 and 1,131.84

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Solution

The fourth proportional to 3,440.34, 5,160.78 and 1,131.84 is: 1,697.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.34 : 5,160.78 = 1,131.84 : x
  2. Step 2: Convert to fraction form
    3,440.34/5,160.78 = 1,131.84/x
  3. Step 3: Cross multiply
    3,440.34x = 5,160.78 × 1,131.84
  4. Step 4: Simplify right side
    3,440.34x = 5,841,177.24
  5. Step 5: Solve for x
    x = 5,841,177.24/3,440.34
  6. Step 6: Final answer
    x = 1,697.85

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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.