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Finding the Fourth Proportional to 2,544.48, 3,817.38 and 900.80

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Solution

The fourth proportional to 2,544.48, 3,817.38 and 900.80 is: 1,351.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,544.48 : 3,817.38 = 900.80 : x
  2. Step 2: Convert to fraction form
    2,544.48/3,817.38 = 900.80/x
  3. Step 3: Cross multiply
    2,544.48x = 3,817.38 × 900.80
  4. Step 4: Simplify right side
    2,544.48x = 3,438,695.90
  5. Step 5: Solve for x
    x = 3,438,695.90/2,544.48
  6. Step 6: Final answer
    x = 1,351.43

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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.