Home / 3,581.09-4,943.58-2,388.06

Finding the Fourth Proportional to 3,581.09, 4,943.58 and 2,388.06

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Solution

The fourth proportional to 3,581.09, 4,943.58 and 2,388.06 is: 3,296.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,581.09 : 4,943.58 = 2,388.06 : x
  2. Step 2: Convert to fraction form
    3,581.09/4,943.58 = 2,388.06/x
  3. Step 3: Cross multiply
    3,581.09x = 4,943.58 × 2,388.06
  4. Step 4: Simplify right side
    3,581.09x = 11,805,565.65
  5. Step 5: Solve for x
    x = 11,805,565.65/3,581.09
  6. Step 6: Final answer
    x = 3,296.64

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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.