Home / 2,054.42-3,081.63-1,129.94

Finding the Fourth Proportional to 2,054.42, 3,081.63 and 1,129.94

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Solution

The fourth proportional to 2,054.42, 3,081.63 and 1,129.94 is: 1,694.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,054.42 : 3,081.63 = 1,129.94 : x
  2. Step 2: Convert to fraction form
    2,054.42/3,081.63 = 1,129.94/x
  3. Step 3: Cross multiply
    2,054.42x = 3,081.63 × 1,129.94
  4. Step 4: Simplify right side
    2,054.42x = 3,482,057.00
  5. Step 5: Solve for x
    x = 3,482,057.00/2,054.42
  6. Step 6: Final answer
    x = 1,694.91

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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.