Home / 3,113.11-4,295.78-1,836.96

Finding the Fourth Proportional to 3,113.11, 4,295.78 and 1,836.96

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Solution

The fourth proportional to 3,113.11, 4,295.78 and 1,836.96 is: 2,534.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.11 : 4,295.78 = 1,836.96 : x
  2. Step 2: Convert to fraction form
    3,113.11/4,295.78 = 1,836.96/x
  3. Step 3: Cross multiply
    3,113.11x = 4,295.78 × 1,836.96
  4. Step 4: Simplify right side
    3,113.11x = 7,891,157.62
  5. Step 5: Solve for x
    x = 7,891,157.62/3,113.11
  6. Step 6: Final answer
    x = 2,534.81

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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.