Home / 3,087.78-4,260.99-2,092.62

Finding the Fourth Proportional to 3,087.78, 4,260.99 and 2,092.62

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Solution

The fourth proportional to 3,087.78, 4,260.99 and 2,092.62 is: 2,887.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087.78 : 4,260.99 = 2,092.62 : x
  2. Step 2: Convert to fraction form
    3,087.78/4,260.99 = 2,092.62/x
  3. Step 3: Cross multiply
    3,087.78x = 4,260.99 × 2,092.62
  4. Step 4: Simplify right side
    3,087.78x = 8,916,632.89
  5. Step 5: Solve for x
    x = 8,916,632.89/3,087.78
  6. Step 6: Final answer
    x = 2,887.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.