Home / 2,642.13-3,961.74-1,083.24

Finding the Fourth Proportional to 2,642.13, 3,961.74 and 1,083.24

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Solution

The fourth proportional to 2,642.13, 3,961.74 and 1,083.24 is: 1,624.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,642.13 : 3,961.74 = 1,083.24 : x
  2. Step 2: Convert to fraction form
    2,642.13/3,961.74 = 1,083.24/x
  3. Step 3: Cross multiply
    2,642.13x = 3,961.74 × 1,083.24
  4. Step 4: Simplify right side
    2,642.13x = 4,291,515.24
  5. Step 5: Solve for x
    x = 4,291,515.24/2,642.13
  6. Step 6: Final answer
    x = 1,624.26

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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.