Home / 3,765.53-5,640.59-1,761.35

Finding the Fourth Proportional to 3,765.53, 5,640.59 and 1,761.35

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Solution

The fourth proportional to 3,765.53, 5,640.59 and 1,761.35 is: 2,638.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,765.53 : 5,640.59 = 1,761.35 : x
  2. Step 2: Convert to fraction form
    3,765.53/5,640.59 = 1,761.35/x
  3. Step 3: Cross multiply
    3,765.53x = 5,640.59 × 1,761.35
  4. Step 4: Simplify right side
    3,765.53x = 9,935,029.40
  5. Step 5: Solve for x
    x = 9,935,029.40/3,765.53
  6. Step 6: Final answer
    x = 2,638.41

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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.