Home / 3,459.51-5,190.30-1,611.73

Finding the Fourth Proportional to 3,459.51, 5,190.30 and 1,611.73

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Solution

The fourth proportional to 3,459.51, 5,190.30 and 1,611.73 is: 2,418.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459.51 : 5,190.30 = 1,611.73 : x
  2. Step 2: Convert to fraction form
    3,459.51/5,190.30 = 1,611.73/x
  3. Step 3: Cross multiply
    3,459.51x = 5,190.30 × 1,611.73
  4. Step 4: Simplify right side
    3,459.51x = 8,365,362.22
  5. Step 5: Solve for x
    x = 8,365,362.22/3,459.51
  6. Step 6: Final answer
    x = 2,418.08

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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.