Home / 2,753.73-4,128.06-1,021.14

Finding the Fourth Proportional to 2,753.73, 4,128.06 and 1,021.14

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Solution

The fourth proportional to 2,753.73, 4,128.06 and 1,021.14 is: 1,530.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,753.73 : 4,128.06 = 1,021.14 : x
  2. Step 2: Convert to fraction form
    2,753.73/4,128.06 = 1,021.14/x
  3. Step 3: Cross multiply
    2,753.73x = 4,128.06 × 1,021.14
  4. Step 4: Simplify right side
    2,753.73x = 4,215,327.19
  5. Step 5: Solve for x
    x = 4,215,327.19/2,753.73
  6. Step 6: Final answer
    x = 1,530.77

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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.