Home / 2,544.96-3,512.21-1,425.86

Finding the Fourth Proportional to 2,544.96, 3,512.21 and 1,425.86

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Solution

The fourth proportional to 2,544.96, 3,512.21 and 1,425.86 is: 1,967.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,544.96 : 3,512.21 = 1,425.86 : x
  2. Step 2: Convert to fraction form
    2,544.96/3,512.21 = 1,425.86/x
  3. Step 3: Cross multiply
    2,544.96x = 3,512.21 × 1,425.86
  4. Step 4: Simplify right side
    2,544.96x = 5,007,919.75
  5. Step 5: Solve for x
    x = 5,007,919.75/2,544.96
  6. Step 6: Final answer
    x = 1,967.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.