Home / 2,486.22-3,428.72-1,924.90

Finding the Fourth Proportional to 2,486.22, 3,428.72 and 1,924.90

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Solution

The fourth proportional to 2,486.22, 3,428.72 and 1,924.90 is: 2,654.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486.22 : 3,428.72 = 1,924.90 : x
  2. Step 2: Convert to fraction form
    2,486.22/3,428.72 = 1,924.90/x
  3. Step 3: Cross multiply
    2,486.22x = 3,428.72 × 1,924.90
  4. Step 4: Simplify right side
    2,486.22x = 6,599,943.13
  5. Step 5: Solve for x
    x = 6,599,943.13/2,486.22
  6. Step 6: Final answer
    x = 2,654.61

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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.