Home / 3,214.94-4,436.83-1,888.87

Finding the Fourth Proportional to 3,214.94, 4,436.83 and 1,888.87

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Solution

The fourth proportional to 3,214.94, 4,436.83 and 1,888.87 is: 2,606.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,214.94 : 4,436.83 = 1,888.87 : x
  2. Step 2: Convert to fraction form
    3,214.94/4,436.83 = 1,888.87/x
  3. Step 3: Cross multiply
    3,214.94x = 4,436.83 × 1,888.87
  4. Step 4: Simplify right side
    3,214.94x = 8,380,584.05
  5. Step 5: Solve for x
    x = 8,380,584.05/3,214.94
  6. Step 6: Final answer
    x = 2,606.76

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1.5x scale

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.