Home / 2,709.45-3,737.88-1,647.27

Finding the Fourth Proportional to 2,709.45, 3,737.88 and 1,647.27

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Solution

The fourth proportional to 2,709.45, 3,737.88 and 1,647.27 is: 2,272.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,709.45 : 3,737.88 = 1,647.27 : x
  2. Step 2: Convert to fraction form
    2,709.45/3,737.88 = 1,647.27/x
  3. Step 3: Cross multiply
    2,709.45x = 3,737.88 × 1,647.27
  4. Step 4: Simplify right side
    2,709.45x = 6,157,297.59
  5. Step 5: Solve for x
    x = 6,157,297.59/2,709.45
  6. Step 6: Final answer
    x = 2,272.53

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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.