Home / 3,761.24-5,190.48-2,270

Finding the Fourth Proportional to 3,761.24, 5,190.48 and 2,270

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Solution

The fourth proportional to 3,761.24, 5,190.48 and 2,270 is: 3,132.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,761.24 : 5,190.48 = 2,270 : x
  2. Step 2: Convert to fraction form
    3,761.24/5,190.48 = 2,270/x
  3. Step 3: Cross multiply
    3,761.24x = 5,190.48 × 2,270
  4. Step 4: Simplify right side
    3,761.24x = 11,782,389.60
  5. Step 5: Solve for x
    x = 11,782,389.60/3,761.24
  6. Step 6: Final answer
    x = 3,132.58

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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.