Home / 3,185.50-4,396.17-1,788.34

Finding the Fourth Proportional to 3,185.50, 4,396.17 and 1,788.34

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Solution

The fourth proportional to 3,185.50, 4,396.17 and 1,788.34 is: 2,468.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185.50 : 4,396.17 = 1,788.34 : x
  2. Step 2: Convert to fraction form
    3,185.50/4,396.17 = 1,788.34/x
  3. Step 3: Cross multiply
    3,185.50x = 4,396.17 × 1,788.34
  4. Step 4: Simplify right side
    3,185.50x = 7,861,846.66
  5. Step 5: Solve for x
    x = 7,861,846.66/3,185.50
  6. Step 6: Final answer
    x = 2,468.01

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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.