Home / 3,459.24-5,185.08-1,999.08

Finding the Fourth Proportional to 3,459.24, 5,185.08 and 1,999.08

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Solution

The fourth proportional to 3,459.24, 5,185.08 and 1,999.08 is: 2,996.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459.24 : 5,185.08 = 1,999.08 : x
  2. Step 2: Convert to fraction form
    3,459.24/5,185.08 = 1,999.08/x
  3. Step 3: Cross multiply
    3,459.24x = 5,185.08 × 1,999.08
  4. Step 4: Simplify right side
    3,459.24x = 10,365,389.73
  5. Step 5: Solve for x
    x = 10,365,389.73/3,459.24
  6. Step 6: Final answer
    x = 2,996.44

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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.