Home / 1,741.76-2,611.62-1,157.09

Finding the Fourth Proportional to 1,741.76, 2,611.62 and 1,157.09

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Solution

The fourth proportional to 1,741.76, 2,611.62 and 1,157.09 is: 1,734.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,741.76 : 2,611.62 = 1,157.09 : x
  2. Step 2: Convert to fraction form
    1,741.76/2,611.62 = 1,157.09/x
  3. Step 3: Cross multiply
    1,741.76x = 2,611.62 × 1,157.09
  4. Step 4: Simplify right side
    1,741.76x = 3,021,866.33
  5. Step 5: Solve for x
    x = 3,021,866.33/1,741.76
  6. Step 6: Final answer
    x = 1,734.95

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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.