Home / 3,892.74-5,370.35-2,320.53

Finding the Fourth Proportional to 3,892.74, 5,370.35 and 2,320.53

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Solution

The fourth proportional to 3,892.74, 5,370.35 and 2,320.53 is: 3,201.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,892.74 : 5,370.35 = 2,320.53 : x
  2. Step 2: Convert to fraction form
    3,892.74/5,370.35 = 2,320.53/x
  3. Step 3: Cross multiply
    3,892.74x = 5,370.35 × 2,320.53
  4. Step 4: Simplify right side
    3,892.74x = 12,462,046.68
  5. Step 5: Solve for x
    x = 12,462,046.68/3,892.74
  6. Step 6: Final answer
    x = 3,201.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.