Home / 3,453.93-4,765.83-3,278.79

Finding the Fourth Proportional to 3,453.93, 4,765.83 and 3,278.79

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Solution

The fourth proportional to 3,453.93, 4,765.83 and 3,278.79 is: 4,524.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.93 : 4,765.83 = 3,278.79 : x
  2. Step 2: Convert to fraction form
    3,453.93/4,765.83 = 3,278.79/x
  3. Step 3: Cross multiply
    3,453.93x = 4,765.83 × 3,278.79
  4. Step 4: Simplify right side
    3,453.93x = 15,626,155.75
  5. Step 5: Solve for x
    x = 15,626,155.75/3,453.93
  6. Step 6: Final answer
    x = 4,524.17

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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.