Home / 3,234.15-4,463.71-1,907.78

Finding the Fourth Proportional to 3,234.15, 4,463.71 and 1,907.78

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Solution

The fourth proportional to 3,234.15, 4,463.71 and 1,907.78 is: 2,633.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,234.15 : 4,463.71 = 1,907.78 : x
  2. Step 2: Convert to fraction form
    3,234.15/4,463.71 = 1,907.78/x
  3. Step 3: Cross multiply
    3,234.15x = 4,463.71 × 1,907.78
  4. Step 4: Simplify right side
    3,234.15x = 8,515,749.58
  5. Step 5: Solve for x
    x = 8,515,749.58/3,234.15
  6. Step 6: Final answer
    x = 2,633.07

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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.