Home / 2,721.13-4,081.66-1,535.22

Finding the Fourth Proportional to 2,721.13, 4,081.66 and 1,535.22

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Solution

The fourth proportional to 2,721.13, 4,081.66 and 1,535.22 is: 2,302.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721.13 : 4,081.66 = 1,535.22 : x
  2. Step 2: Convert to fraction form
    2,721.13/4,081.66 = 1,535.22/x
  3. Step 3: Cross multiply
    2,721.13x = 4,081.66 × 1,535.22
  4. Step 4: Simplify right side
    2,721.13x = 6,266,242.23
  5. Step 5: Solve for x
    x = 6,266,242.23/2,721.13
  6. Step 6: Final answer
    x = 2,302.81

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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.