Home / 3,366.70-4,646.81-2,185.72

Finding the Fourth Proportional to 3,366.70, 4,646.81 and 2,185.72

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Solution

The fourth proportional to 3,366.70, 4,646.81 and 2,185.72 is: 3,016.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,366.70 : 4,646.81 = 2,185.72 : x
  2. Step 2: Convert to fraction form
    3,366.70/4,646.81 = 2,185.72/x
  3. Step 3: Cross multiply
    3,366.70x = 4,646.81 × 2,185.72
  4. Step 4: Simplify right side
    3,366.70x = 10,156,591.39
  5. Step 5: Solve for x
    x = 10,156,591.39/3,366.70
  6. Step 6: Final answer
    x = 3,016.78

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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.