Home / 2,607.39-3,904.91-2,055.88

Finding the Fourth Proportional to 2,607.39, 3,904.91 and 2,055.88

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Solution

The fourth proportional to 2,607.39, 3,904.91 and 2,055.88 is: 3,078.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,607.39 : 3,904.91 = 2,055.88 : x
  2. Step 2: Convert to fraction form
    2,607.39/3,904.91 = 2,055.88/x
  3. Step 3: Cross multiply
    2,607.39x = 3,904.91 × 2,055.88
  4. Step 4: Simplify right side
    2,607.39x = 8,028,028.68
  5. Step 5: Solve for x
    x = 8,028,028.68/2,607.39
  6. Step 6: Final answer
    x = 3,078.95

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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.