Home / 1,872.94-2,585.26-1,086.84

Finding the Fourth Proportional to 1,872.94, 2,585.26 and 1,086.84

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Solution

The fourth proportional to 1,872.94, 2,585.26 and 1,086.84 is: 1,500.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872.94 : 2,585.26 = 1,086.84 : x
  2. Step 2: Convert to fraction form
    1,872.94/2,585.26 = 1,086.84/x
  3. Step 3: Cross multiply
    1,872.94x = 2,585.26 × 1,086.84
  4. Step 4: Simplify right side
    1,872.94x = 2,809,751.05
  5. Step 5: Solve for x
    x = 2,809,751.05/1,872.94
  6. Step 6: Final answer
    x = 1,500.18

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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.