Home / 2,721.03-4,081.46-1,489.02

Finding the Fourth Proportional to 2,721.03, 4,081.46 and 1,489.02

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Solution

The fourth proportional to 2,721.03, 4,081.46 and 1,489.02 is: 2,233.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721.03 : 4,081.46 = 1,489.02 : x
  2. Step 2: Convert to fraction form
    2,721.03/4,081.46 = 1,489.02/x
  3. Step 3: Cross multiply
    2,721.03x = 4,081.46 × 1,489.02
  4. Step 4: Simplify right side
    2,721.03x = 6,077,368.12
  5. Step 5: Solve for x
    x = 6,077,368.12/2,721.03
  6. Step 6: Final answer
    x = 2,233.48

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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.