Home / 4,209.35-5,808.90-2,320.88

Finding the Fourth Proportional to 4,209.35, 5,808.90 and 2,320.88

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Solution

The fourth proportional to 4,209.35, 5,808.90 and 2,320.88 is: 3,202.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,209.35 : 5,808.90 = 2,320.88 : x
  2. Step 2: Convert to fraction form
    4,209.35/5,808.90 = 2,320.88/x
  3. Step 3: Cross multiply
    4,209.35x = 5,808.90 × 2,320.88
  4. Step 4: Simplify right side
    4,209.35x = 13,481,759.83
  5. Step 5: Solve for x
    x = 13,481,759.83/4,209.35
  6. Step 6: Final answer
    x = 3,202.81

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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.