Home / 2,721.66-4,079.44-2,071.02

Finding the Fourth Proportional to 2,721.66, 4,079.44 and 2,071.02

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Solution

The fourth proportional to 2,721.66, 4,079.44 and 2,071.02 is: 3,104.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721.66 : 4,079.44 = 2,071.02 : x
  2. Step 2: Convert to fraction form
    2,721.66/4,079.44 = 2,071.02/x
  3. Step 3: Cross multiply
    2,721.66x = 4,079.44 × 2,071.02
  4. Step 4: Simplify right side
    2,721.66x = 8,448,601.83
  5. Step 5: Solve for x
    x = 8,448,601.83/2,721.66
  6. Step 6: Final answer
    x = 3,104.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.