Home / 2,422.61-3,342.34-1,583.79

Finding the Fourth Proportional to 2,422.61, 3,342.34 and 1,583.79

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Solution

The fourth proportional to 2,422.61, 3,342.34 and 1,583.79 is: 2,185.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,422.61 : 3,342.34 = 1,583.79 : x
  2. Step 2: Convert to fraction form
    2,422.61/3,342.34 = 1,583.79/x
  3. Step 3: Cross multiply
    2,422.61x = 3,342.34 × 1,583.79
  4. Step 4: Simplify right side
    2,422.61x = 5,293,556.75
  5. Step 5: Solve for x
    x = 5,293,556.75/2,422.61
  6. Step 6: Final answer
    x = 2,185.07

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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.