Home / 3,134.56-4,315.84-2,661.52

Finding the Fourth Proportional to 3,134.56, 4,315.84 and 2,661.52

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Solution

The fourth proportional to 3,134.56, 4,315.84 and 2,661.52 is: 3,664.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.56 : 4,315.84 = 2,661.52 : x
  2. Step 2: Convert to fraction form
    3,134.56/4,315.84 = 2,661.52/x
  3. Step 3: Cross multiply
    3,134.56x = 4,315.84 × 2,661.52
  4. Step 4: Simplify right side
    3,134.56x = 11,486,694.48
  5. Step 5: Solve for x
    x = 11,486,694.48/3,134.56
  6. Step 6: Final answer
    x = 3,664.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.