Home / 3,420.24-5,139.97-2,033.82

Finding the Fourth Proportional to 3,420.24, 5,139.97 and 2,033.82

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Solution

The fourth proportional to 3,420.24, 5,139.97 and 2,033.82 is: 3,056.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420.24 : 5,139.97 = 2,033.82 : x
  2. Step 2: Convert to fraction form
    3,420.24/5,139.97 = 2,033.82/x
  3. Step 3: Cross multiply
    3,420.24x = 5,139.97 × 2,033.82
  4. Step 4: Simplify right side
    3,420.24x = 10,453,768.70
  5. Step 5: Solve for x
    x = 10,453,768.70/3,420.24
  6. Step 6: Final answer
    x = 3,056.45

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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.