Home / 2,093.78-3,141.95-1,217.99

Finding the Fourth Proportional to 2,093.78, 3,141.95 and 1,217.99

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Solution

The fourth proportional to 2,093.78, 3,141.95 and 1,217.99 is: 1,827.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,093.78 : 3,141.95 = 1,217.99 : x
  2. Step 2: Convert to fraction form
    2,093.78/3,141.95 = 1,217.99/x
  3. Step 3: Cross multiply
    2,093.78x = 3,141.95 × 1,217.99
  4. Step 4: Simplify right side
    2,093.78x = 3,826,865.45
  5. Step 5: Solve for x
    x = 3,826,865.45/2,093.78
  6. Step 6: Final answer
    x = 1,827.73

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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.