Home / 2,544.17-3,816.21-812.75

Finding the Fourth Proportional to 2,544.17, 3,816.21 and 812.75

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Solution

The fourth proportional to 2,544.17, 3,816.21 and 812.75 is: 1,219.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,544.17 : 3,816.21 = 812.75 : x
  2. Step 2: Convert to fraction form
    2,544.17/3,816.21 = 812.75/x
  3. Step 3: Cross multiply
    2,544.17x = 3,816.21 × 812.75
  4. Step 4: Simplify right side
    2,544.17x = 3,101,624.68
  5. Step 5: Solve for x
    x = 3,101,624.68/2,544.17
  6. Step 6: Final answer
    x = 1,219.11

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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.