Home / 4,137.64-5,707.36-2,721.48

Finding the Fourth Proportional to 4,137.64, 5,707.36 and 2,721.48

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Solution

The fourth proportional to 4,137.64, 5,707.36 and 2,721.48 is: 3,753.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,137.64 : 5,707.36 = 2,721.48 : x
  2. Step 2: Convert to fraction form
    4,137.64/5,707.36 = 2,721.48/x
  3. Step 3: Cross multiply
    4,137.64x = 5,707.36 × 2,721.48
  4. Step 4: Simplify right side
    4,137.64x = 15,532,466.09
  5. Step 5: Solve for x
    x = 15,532,466.09/4,137.64
  6. Step 6: Final answer
    x = 3,753.94

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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.