Home / 2,481-3,721.39-1,020.12

Finding the Fourth Proportional to 2,481, 3,721.39 and 1,020.12

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Solution

The fourth proportional to 2,481, 3,721.39 and 1,020.12 is: 1,530.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,481 : 3,721.39 = 1,020.12 : x
  2. Step 2: Convert to fraction form
    2,481/3,721.39 = 1,020.12/x
  3. Step 3: Cross multiply
    2,481x = 3,721.39 × 1,020.12
  4. Step 4: Simplify right side
    2,481x = 3,796,264.37
  5. Step 5: Solve for x
    x = 3,796,264.37/2,481
  6. Step 6: Final answer
    x = 1,530.13

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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.