Home / 3,425.15-4,727.22-1,933.20

Finding the Fourth Proportional to 3,425.15, 4,727.22 and 1,933.20

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Solution

The fourth proportional to 3,425.15, 4,727.22 and 1,933.20 is: 2,668.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.15 : 4,727.22 = 1,933.20 : x
  2. Step 2: Convert to fraction form
    3,425.15/4,727.22 = 1,933.20/x
  3. Step 3: Cross multiply
    3,425.15x = 4,727.22 × 1,933.20
  4. Step 4: Simplify right side
    3,425.15x = 9,138,661.70
  5. Step 5: Solve for x
    x = 9,138,661.70/3,425.15
  6. Step 6: Final answer
    x = 2,668.11

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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.