Home / 3,305.06-4,560.93-1,907.78

Finding the Fourth Proportional to 3,305.06, 4,560.93 and 1,907.78

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Solution

The fourth proportional to 3,305.06, 4,560.93 and 1,907.78 is: 2,632.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,305.06 : 4,560.93 = 1,907.78 : x
  2. Step 2: Convert to fraction form
    3,305.06/4,560.93 = 1,907.78/x
  3. Step 3: Cross multiply
    3,305.06x = 4,560.93 × 1,907.78
  4. Step 4: Simplify right side
    3,305.06x = 8,701,251.04
  5. Step 5: Solve for x
    x = 8,701,251.04/3,305.06
  6. Step 6: Final answer
    x = 2,632.71

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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.