Home / 3,234.84-4,464.78-1,908.06

Finding the Fourth Proportional to 3,234.84, 4,464.78 and 1,908.06

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Solution

The fourth proportional to 3,234.84, 4,464.78 and 1,908.06 is: 2,633.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,234.84 : 4,464.78 = 1,908.06 : x
  2. Step 2: Convert to fraction form
    3,234.84/4,464.78 = 1,908.06/x
  3. Step 3: Cross multiply
    3,234.84x = 4,464.78 × 1,908.06
  4. Step 4: Simplify right side
    3,234.84x = 8,519,068.13
  5. Step 5: Solve for x
    x = 8,519,068.13/3,234.84
  6. Step 6: Final answer
    x = 2,633.54

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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.