Home / 2,721.06-4,081.59-1,260.02

Finding the Fourth Proportional to 2,721.06, 4,081.59 and 1,260.02

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Solution

The fourth proportional to 2,721.06, 4,081.59 and 1,260.02 is: 1,890.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721.06 : 4,081.59 = 1,260.02 : x
  2. Step 2: Convert to fraction form
    2,721.06/4,081.59 = 1,260.02/x
  3. Step 3: Cross multiply
    2,721.06x = 4,081.59 × 1,260.02
  4. Step 4: Simplify right side
    2,721.06x = 5,142,895.24
  5. Step 5: Solve for x
    x = 5,142,895.24/2,721.06
  6. Step 6: Final answer
    x = 1,890.03

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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.