Home / 2,618.07-3,928.90-1,694.06

Finding the Fourth Proportional to 2,618.07, 3,928.90 and 1,694.06

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Solution

The fourth proportional to 2,618.07, 3,928.90 and 1,694.06 is: 2,542.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,618.07 : 3,928.90 = 1,694.06 : x
  2. Step 2: Convert to fraction form
    2,618.07/3,928.90 = 1,694.06/x
  3. Step 3: Cross multiply
    2,618.07x = 3,928.90 × 1,694.06
  4. Step 4: Simplify right side
    2,618.07x = 6,655,792.33
  5. Step 5: Solve for x
    x = 6,655,792.33/2,618.07
  6. Step 6: Final answer
    x = 2,542.25

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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.