Home / 3,356-4,631.88-2,278.82

Finding the Fourth Proportional to 3,356, 4,631.88 and 2,278.82

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Solution

The fourth proportional to 3,356, 4,631.88 and 2,278.82 is: 3,145.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,356 : 4,631.88 = 2,278.82 : x
  2. Step 2: Convert to fraction form
    3,356/4,631.88 = 2,278.82/x
  3. Step 3: Cross multiply
    3,356x = 4,631.88 × 2,278.82
  4. Step 4: Simplify right side
    3,356x = 10,555,220.78
  5. Step 5: Solve for x
    x = 10,555,220.78/3,356
  6. Step 6: Final answer
    x = 3,145.18

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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.