Home / 2,720.43-3,754.10-1,601.36

Finding the Fourth Proportional to 2,720.43, 3,754.10 and 1,601.36

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Solution

The fourth proportional to 2,720.43, 3,754.10 and 1,601.36 is: 2,209.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720.43 : 3,754.10 = 1,601.36 : x
  2. Step 2: Convert to fraction form
    2,720.43/3,754.10 = 1,601.36/x
  3. Step 3: Cross multiply
    2,720.43x = 3,754.10 × 1,601.36
  4. Step 4: Simplify right side
    2,720.43x = 6,011,664.89
  5. Step 5: Solve for x
    x = 6,011,664.89/2,720.43
  6. Step 6: Final answer
    x = 2,209.82

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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.