Home / 3,461.73-5,190.30-1,611.84

Finding the Fourth Proportional to 3,461.73, 5,190.30 and 1,611.84

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Solution

The fourth proportional to 3,461.73, 5,190.30 and 1,611.84 is: 2,416.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,461.73 : 5,190.30 = 1,611.84 : x
  2. Step 2: Convert to fraction form
    3,461.73/5,190.30 = 1,611.84/x
  3. Step 3: Cross multiply
    3,461.73x = 5,190.30 × 1,611.84
  4. Step 4: Simplify right side
    3,461.73x = 8,365,933.15
  5. Step 5: Solve for x
    x = 8,365,933.15/3,461.73
  6. Step 6: Final answer
    x = 2,416.69

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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.