Home / 3,164.28-4,366.80-1,767

Finding the Fourth Proportional to 3,164.28, 4,366.80 and 1,767

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Solution

The fourth proportional to 3,164.28, 4,366.80 and 1,767 is: 2,438.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,164.28 : 4,366.80 = 1,767 : x
  2. Step 2: Convert to fraction form
    3,164.28/4,366.80 = 1,767/x
  3. Step 3: Cross multiply
    3,164.28x = 4,366.80 × 1,767
  4. Step 4: Simplify right side
    3,164.28x = 7,716,135.60
  5. Step 5: Solve for x
    x = 7,716,135.60/3,164.28
  6. Step 6: Final answer
    x = 2,438.51

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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.