Home / 2,721.07-4,081.60-1,182.07

Finding the Fourth Proportional to 2,721.07, 4,081.60 and 1,182.07

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Solution

The fourth proportional to 2,721.07, 4,081.60 and 1,182.07 is: 1,773.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721.07 : 4,081.60 = 1,182.07 : x
  2. Step 2: Convert to fraction form
    2,721.07/4,081.60 = 1,182.07/x
  3. Step 3: Cross multiply
    2,721.07x = 4,081.60 × 1,182.07
  4. Step 4: Simplify right side
    2,721.07x = 4,824,716.50
  5. Step 5: Solve for x
    x = 4,824,716.50/2,721.07
  6. Step 6: Final answer
    x = 1,773.10

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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.