Home / 3,440.31-5,159.37-1,360.86

Finding the Fourth Proportional to 3,440.31, 5,159.37 and 1,360.86

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Solution

The fourth proportional to 3,440.31, 5,159.37 and 1,360.86 is: 2,040.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.31 : 5,159.37 = 1,360.86 : x
  2. Step 2: Convert to fraction form
    3,440.31/5,159.37 = 1,360.86/x
  3. Step 3: Cross multiply
    3,440.31x = 5,159.37 × 1,360.86
  4. Step 4: Simplify right side
    3,440.31x = 7,021,180.26
  5. Step 5: Solve for x
    x = 7,021,180.26/3,440.31
  6. Step 6: Final answer
    x = 2,040.86

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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.