Home / 3,440.34-5,159.34-1,360.85

Finding the Fourth Proportional to 3,440.34, 5,159.34 and 1,360.85

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Solution

The fourth proportional to 3,440.34, 5,159.34 and 1,360.85 is: 2,040.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.34 : 5,159.34 = 1,360.85 : x
  2. Step 2: Convert to fraction form
    3,440.34/5,159.34 = 1,360.85/x
  3. Step 3: Cross multiply
    3,440.34x = 5,159.34 × 1,360.85
  4. Step 4: Simplify right side
    3,440.34x = 7,021,062.04
  5. Step 5: Solve for x
    x = 7,021,062.04/3,440.34
  6. Step 6: Final answer
    x = 2,040.80

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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.