Home / 3,535.35-5,304.12-2,131.30

Finding the Fourth Proportional to 3,535.35, 5,304.12 and 2,131.30

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Solution

The fourth proportional to 3,535.35, 5,304.12 and 2,131.30 is: 3,197.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,535.35 : 5,304.12 = 2,131.30 : x
  2. Step 2: Convert to fraction form
    3,535.35/5,304.12 = 2,131.30/x
  3. Step 3: Cross multiply
    3,535.35x = 5,304.12 × 2,131.30
  4. Step 4: Simplify right side
    3,535.35x = 11,304,670.96
  5. Step 5: Solve for x
    x = 11,304,670.96/3,535.35
  6. Step 6: Final answer
    x = 3,197.61

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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.