Home / 3,535.28-4,872.87-2,825.87

Finding the Fourth Proportional to 3,535.28, 4,872.87 and 2,825.87

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Solution

The fourth proportional to 3,535.28, 4,872.87 and 2,825.87 is: 3,895.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,535.28 : 4,872.87 = 2,825.87 : x
  2. Step 2: Convert to fraction form
    3,535.28/4,872.87 = 2,825.87/x
  3. Step 3: Cross multiply
    3,535.28x = 4,872.87 × 2,825.87
  4. Step 4: Simplify right side
    3,535.28x = 13,770,072.78
  5. Step 5: Solve for x
    x = 13,770,072.78/3,535.28
  6. Step 6: Final answer
    x = 3,895.05

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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.