Home / 4,209.60-5,808.99-2,321.09

Finding the Fourth Proportional to 4,209.60, 5,808.99 and 2,321.09

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Solution

The fourth proportional to 4,209.60, 5,808.99 and 2,321.09 is: 3,202.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,209.60 : 5,808.99 = 2,321.09 : x
  2. Step 2: Convert to fraction form
    4,209.60/5,808.99 = 2,321.09/x
  3. Step 3: Cross multiply
    4,209.60x = 5,808.99 × 2,321.09
  4. Step 4: Simplify right side
    4,209.60x = 13,483,188.60
  5. Step 5: Solve for x
    x = 13,483,188.60/4,209.60
  6. Step 6: Final answer
    x = 3,202.96

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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.