Home / 2,850.21-4,275.95-902.36

Finding the Fourth Proportional to 2,850.21, 4,275.95 and 902.36

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Solution

The fourth proportional to 2,850.21, 4,275.95 and 902.36 is: 1,353.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850.21 : 4,275.95 = 902.36 : x
  2. Step 2: Convert to fraction form
    2,850.21/4,275.95 = 902.36/x
  3. Step 3: Cross multiply
    2,850.21x = 4,275.95 × 902.36
  4. Step 4: Simplify right side
    2,850.21x = 3,858,420.35
  5. Step 5: Solve for x
    x = 3,858,420.35/2,850.21
  6. Step 6: Final answer
    x = 1,353.73

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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.