Home / 2,236.98-3,087.43-1,292.64

Finding the Fourth Proportional to 2,236.98, 3,087.43 and 1,292.64

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Solution

The fourth proportional to 2,236.98, 3,087.43 and 1,292.64 is: 1,784.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,236.98 : 3,087.43 = 1,292.64 : x
  2. Step 2: Convert to fraction form
    2,236.98/3,087.43 = 1,292.64/x
  3. Step 3: Cross multiply
    2,236.98x = 3,087.43 × 1,292.64
  4. Step 4: Simplify right side
    2,236.98x = 3,990,923.61
  5. Step 5: Solve for x
    x = 3,990,923.61/2,236.98
  6. Step 6: Final answer
    x = 1,784.07

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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.