Home / 2,847.45-4,270.73-900.11

Finding the Fourth Proportional to 2,847.45, 4,270.73 and 900.11

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Solution

The fourth proportional to 2,847.45, 4,270.73 and 900.11 is: 1,350.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847.45 : 4,270.73 = 900.11 : x
  2. Step 2: Convert to fraction form
    2,847.45/4,270.73 = 900.11/x
  3. Step 3: Cross multiply
    2,847.45x = 4,270.73 × 900.11
  4. Step 4: Simplify right side
    2,847.45x = 3,844,132.96
  5. Step 5: Solve for x
    x = 3,844,132.96/2,847.45
  6. Step 6: Final answer
    x = 1,350.02

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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.