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Finding the Fourth Proportional to 2,850.54, 4,276.24 and 902.58

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Solution

The fourth proportional to 2,850.54, 4,276.24 and 902.58 is: 1,354.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850.54 : 4,276.24 = 902.58 : x
  2. Step 2: Convert to fraction form
    2,850.54/4,276.24 = 902.58/x
  3. Step 3: Cross multiply
    2,850.54x = 4,276.24 × 902.58
  4. Step 4: Simplify right side
    2,850.54x = 3,859,648.70
  5. Step 5: Solve for x
    x = 3,859,648.70/2,850.54
  6. Step 6: Final answer
    x = 1,354.01

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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.