Home / 2,286.77-3,424.07-1,821.42

Finding the Fourth Proportional to 2,286.77, 3,424.07 and 1,821.42

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Solution

The fourth proportional to 2,286.77, 3,424.07 and 1,821.42 is: 2,727.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,286.77 : 3,424.07 = 1,821.42 : x
  2. Step 2: Convert to fraction form
    2,286.77/3,424.07 = 1,821.42/x
  3. Step 3: Cross multiply
    2,286.77x = 3,424.07 × 1,821.42
  4. Step 4: Simplify right side
    2,286.77x = 6,236,674.13
  5. Step 5: Solve for x
    x = 6,236,674.13/2,286.77
  6. Step 6: Final answer
    x = 2,727.29

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1.5x scale

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.