Home / 3,434.54-5,156.56-2,812.59

Finding the Fourth Proportional to 3,434.54, 5,156.56 and 2,812.59

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Solution

The fourth proportional to 3,434.54, 5,156.56 and 2,812.59 is: 4,222.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,434.54 : 5,156.56 = 2,812.59 : x
  2. Step 2: Convert to fraction form
    3,434.54/5,156.56 = 2,812.59/x
  3. Step 3: Cross multiply
    3,434.54x = 5,156.56 × 2,812.59
  4. Step 4: Simplify right side
    3,434.54x = 14,503,292.61
  5. Step 5: Solve for x
    x = 14,503,292.61/3,434.54
  6. Step 6: Final answer
    x = 4,222.78

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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.