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Finding the Fourth Proportional to 2,850.01, 4,272.28 and 900.88

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Solution

The fourth proportional to 2,850.01, 4,272.28 and 900.88 is: 1,350.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850.01 : 4,272.28 = 900.88 : x
  2. Step 2: Convert to fraction form
    2,850.01/4,272.28 = 900.88/x
  3. Step 3: Cross multiply
    2,850.01x = 4,272.28 × 900.88
  4. Step 4: Simplify right side
    2,850.01x = 3,848,811.61
  5. Step 5: Solve for x
    x = 3,848,811.61/2,850.01
  6. Step 6: Final answer
    x = 1,350.46

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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.