Home / 2,055.62-3,076.68-1,858.70

Finding the Fourth Proportional to 2,055.62, 3,076.68 and 1,858.70

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Solution

The fourth proportional to 2,055.62, 3,076.68 and 1,858.70 is: 2,781.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,055.62 : 3,076.68 = 1,858.70 : x
  2. Step 2: Convert to fraction form
    2,055.62/3,076.68 = 1,858.70/x
  3. Step 3: Cross multiply
    2,055.62x = 3,076.68 × 1,858.70
  4. Step 4: Simplify right side
    2,055.62x = 5,718,625.12
  5. Step 5: Solve for x
    x = 5,718,625.12/2,055.62
  6. Step 6: Final answer
    x = 2,781.95

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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.