Home / 3,410.74-5,109.33-2,628.02

Finding the Fourth Proportional to 3,410.74, 5,109.33 and 2,628.02

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Solution

The fourth proportional to 3,410.74, 5,109.33 and 2,628.02 is: 3,936.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,410.74 : 5,109.33 = 2,628.02 : x
  2. Step 2: Convert to fraction form
    3,410.74/5,109.33 = 2,628.02/x
  3. Step 3: Cross multiply
    3,410.74x = 5,109.33 × 2,628.02
  4. Step 4: Simplify right side
    3,410.74x = 13,427,436.66
  5. Step 5: Solve for x
    x = 13,427,436.66/3,410.74
  6. Step 6: Final answer
    x = 3,936.82

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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.