Home / 2,422.96-3,344.70-1,638.07

Finding the Fourth Proportional to 2,422.96, 3,344.70 and 1,638.07

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Solution

The fourth proportional to 2,422.96, 3,344.70 and 1,638.07 is: 2,261.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,422.96 : 3,344.70 = 1,638.07 : x
  2. Step 2: Convert to fraction form
    2,422.96/3,344.70 = 1,638.07/x
  3. Step 3: Cross multiply
    2,422.96x = 3,344.70 × 1,638.07
  4. Step 4: Simplify right side
    2,422.96x = 5,478,852.73
  5. Step 5: Solve for x
    x = 5,478,852.73/2,422.96
  6. Step 6: Final answer
    x = 2,261.22

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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.