Home / 3,162.21-4,364.78-1,836.51

Finding the Fourth Proportional to 3,162.21, 4,364.78 and 1,836.51

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Solution

The fourth proportional to 3,162.21, 4,364.78 and 1,836.51 is: 2,534.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.21 : 4,364.78 = 1,836.51 : x
  2. Step 2: Convert to fraction form
    3,162.21/4,364.78 = 1,836.51/x
  3. Step 3: Cross multiply
    3,162.21x = 4,364.78 × 1,836.51
  4. Step 4: Simplify right side
    3,162.21x = 8,015,952.94
  5. Step 5: Solve for x
    x = 8,015,952.94/3,162.21
  6. Step 6: Final answer
    x = 2,534.92

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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.