Home / 3,207.51-4,425.30-2,028.42

Finding the Fourth Proportional to 3,207.51, 4,425.30 and 2,028.42

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Solution

The fourth proportional to 3,207.51, 4,425.30 and 2,028.42 is: 2,798.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.51 : 4,425.30 = 2,028.42 : x
  2. Step 2: Convert to fraction form
    3,207.51/4,425.30 = 2,028.42/x
  3. Step 3: Cross multiply
    3,207.51x = 4,425.30 × 2,028.42
  4. Step 4: Simplify right side
    3,207.51x = 8,976,367.03
  5. Step 5: Solve for x
    x = 8,976,367.03/3,207.51
  6. Step 6: Final answer
    x = 2,798.55

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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.