Home / 3,451.75-4,763.78-2,125.43

Finding the Fourth Proportional to 3,451.75, 4,763.78 and 2,125.43

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Solution

The fourth proportional to 3,451.75, 4,763.78 and 2,125.43 is: 2,933.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451.75 : 4,763.78 = 2,125.43 : x
  2. Step 2: Convert to fraction form
    3,451.75/4,763.78 = 2,125.43/x
  3. Step 3: Cross multiply
    3,451.75x = 4,763.78 × 2,125.43
  4. Step 4: Simplify right side
    3,451.75x = 10,125,080.93
  5. Step 5: Solve for x
    x = 10,125,080.93/3,451.75
  6. Step 6: Final answer
    x = 2,933.32

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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.