Home / 3,790.56-5,688-3,761.28

Finding the Fourth Proportional to 3,790.56, 5,688 and 3,761.28

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Solution

The fourth proportional to 3,790.56, 5,688 and 3,761.28 is: 5,644.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790.56 : 5,688 = 3,761.28 : x
  2. Step 2: Convert to fraction form
    3,790.56/5,688 = 3,761.28/x
  3. Step 3: Cross multiply
    3,790.56x = 5,688 × 3,761.28
  4. Step 4: Simplify right side
    3,790.56x = 21,394,160.64
  5. Step 5: Solve for x
    x = 21,394,160.64/3,790.56
  6. Step 6: Final answer
    x = 5,644.06

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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.