Home / 3,811.50-5,716.37-1,836.11

Finding the Fourth Proportional to 3,811.50, 5,716.37 and 1,836.11

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Solution

The fourth proportional to 3,811.50, 5,716.37 and 1,836.11 is: 2,753.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,811.50 : 5,716.37 = 1,836.11 : x
  2. Step 2: Convert to fraction form
    3,811.50/5,716.37 = 1,836.11/x
  3. Step 3: Cross multiply
    3,811.50x = 5,716.37 × 1,836.11
  4. Step 4: Simplify right side
    3,811.50x = 10,495,903.00
  5. Step 5: Solve for x
    x = 10,495,903.00/3,811.50
  6. Step 6: Final answer
    x = 2,753.75

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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.