Home / 2,720.29-3,753.46-1,601.28

Finding the Fourth Proportional to 2,720.29, 3,753.46 and 1,601.28

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Solution

The fourth proportional to 2,720.29, 3,753.46 and 1,601.28 is: 2,209.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720.29 : 3,753.46 = 1,601.28 : x
  2. Step 2: Convert to fraction form
    2,720.29/3,753.46 = 1,601.28/x
  3. Step 3: Cross multiply
    2,720.29x = 3,753.46 × 1,601.28
  4. Step 4: Simplify right side
    2,720.29x = 6,010,340.43
  5. Step 5: Solve for x
    x = 6,010,340.43/2,720.29
  6. Step 6: Final answer
    x = 2,209.45

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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.