Home / 2,236.92-3,086.76-1,292.52

Finding the Fourth Proportional to 2,236.92, 3,086.76 and 1,292.52

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Solution

The fourth proportional to 2,236.92, 3,086.76 and 1,292.52 is: 1,783.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,236.92 : 3,086.76 = 1,292.52 : x
  2. Step 2: Convert to fraction form
    2,236.92/3,086.76 = 1,292.52/x
  3. Step 3: Cross multiply
    2,236.92x = 3,086.76 × 1,292.52
  4. Step 4: Simplify right side
    2,236.92x = 3,989,699.04
  5. Step 5: Solve for x
    x = 3,989,699.04/2,236.92
  6. Step 6: Final answer
    x = 1,783.57

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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.