Home / 2,118.48-3,177.18-1,194

Finding the Fourth Proportional to 2,118.48, 3,177.18 and 1,194

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Solution

The fourth proportional to 2,118.48, 3,177.18 and 1,194 is: 1,790.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118.48 : 3,177.18 = 1,194 : x
  2. Step 2: Convert to fraction form
    2,118.48/3,177.18 = 1,194/x
  3. Step 3: Cross multiply
    2,118.48x = 3,177.18 × 1,194
  4. Step 4: Simplify right side
    2,118.48x = 3,793,552.92
  5. Step 5: Solve for x
    x = 3,793,552.92/2,118.48
  6. Step 6: Final answer
    x = 1,790.70

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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.