Home / 2,730.77-3,768.30-1,611.75

Finding the Fourth Proportional to 2,730.77, 3,768.30 and 1,611.75

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Solution

The fourth proportional to 2,730.77, 3,768.30 and 1,611.75 is: 2,224.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,730.77 : 3,768.30 = 1,611.75 : x
  2. Step 2: Convert to fraction form
    2,730.77/3,768.30 = 1,611.75/x
  3. Step 3: Cross multiply
    2,730.77x = 3,768.30 × 1,611.75
  4. Step 4: Simplify right side
    2,730.77x = 6,073,557.53
  5. Step 5: Solve for x
    x = 6,073,557.53/2,730.77
  6. Step 6: Final answer
    x = 2,224.12

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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.