Home / 2,720.91-3,754.59-1,541.91

Finding the Fourth Proportional to 2,720.91, 3,754.59 and 1,541.91

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Solution

The fourth proportional to 2,720.91, 3,754.59 and 1,541.91 is: 2,127.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720.91 : 3,754.59 = 1,541.91 : x
  2. Step 2: Convert to fraction form
    2,720.91/3,754.59 = 1,541.91/x
  3. Step 3: Cross multiply
    2,720.91x = 3,754.59 × 1,541.91
  4. Step 4: Simplify right side
    2,720.91x = 5,789,239.87
  5. Step 5: Solve for x
    x = 5,789,239.87/2,720.91
  6. Step 6: Final answer
    x = 2,127.69

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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.