Home / 2,850.72-4,282.56-2,235.36

Finding the Fourth Proportional to 2,850.72, 4,282.56 and 2,235.36

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Solution

The fourth proportional to 2,850.72, 4,282.56 and 2,235.36 is: 3,358.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850.72 : 4,282.56 = 2,235.36 : x
  2. Step 2: Convert to fraction form
    2,850.72/4,282.56 = 2,235.36/x
  3. Step 3: Cross multiply
    2,850.72x = 4,282.56 × 2,235.36
  4. Step 4: Simplify right side
    2,850.72x = 9,573,063.32
  5. Step 5: Solve for x
    x = 9,573,063.32/2,850.72
  6. Step 6: Final answer
    x = 3,358.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.