Home / 3,709.30-5,557.80-2,611.36

Finding the Fourth Proportional to 3,709.30, 5,557.80 and 2,611.36

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Solution

The fourth proportional to 3,709.30, 5,557.80 and 2,611.36 is: 3,912.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,709.30 : 5,557.80 = 2,611.36 : x
  2. Step 2: Convert to fraction form
    3,709.30/5,557.80 = 2,611.36/x
  3. Step 3: Cross multiply
    3,709.30x = 5,557.80 × 2,611.36
  4. Step 4: Simplify right side
    3,709.30x = 14,513,416.61
  5. Step 5: Solve for x
    x = 14,513,416.61/3,709.30
  6. Step 6: Final answer
    x = 3,912.71

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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.