Home / 2,850.14-4,275.75-902.18

Finding the Fourth Proportional to 2,850.14, 4,275.75 and 902.18

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Solution

The fourth proportional to 2,850.14, 4,275.75 and 902.18 is: 1,353.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850.14 : 4,275.75 = 902.18 : x
  2. Step 2: Convert to fraction form
    2,850.14/4,275.75 = 902.18/x
  3. Step 3: Cross multiply
    2,850.14x = 4,275.75 × 902.18
  4. Step 4: Simplify right side
    2,850.14x = 3,857,496.14
  5. Step 5: Solve for x
    x = 3,857,496.14/2,850.14
  6. Step 6: Final answer
    x = 1,353.44

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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.