Home / 3,366.69-4,642.27-2,894.05

Finding the Fourth Proportional to 3,366.69, 4,642.27 and 2,894.05

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Solution

The fourth proportional to 3,366.69, 4,642.27 and 2,894.05 is: 3,990.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,366.69 : 4,642.27 = 2,894.05 : x
  2. Step 2: Convert to fraction form
    3,366.69/4,642.27 = 2,894.05/x
  3. Step 3: Cross multiply
    3,366.69x = 4,642.27 × 2,894.05
  4. Step 4: Simplify right side
    3,366.69x = 13,434,961.49
  5. Step 5: Solve for x
    x = 13,434,961.49/3,366.69
  6. Step 6: Final answer
    x = 3,990.55

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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.