Home / 2,881.19-3,975.34-1,622

Finding the Fourth Proportional to 2,881.19, 3,975.34 and 1,622

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Solution

The fourth proportional to 2,881.19, 3,975.34 and 1,622 is: 2,237.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,881.19 : 3,975.34 = 1,622 : x
  2. Step 2: Convert to fraction form
    2,881.19/3,975.34 = 1,622/x
  3. Step 3: Cross multiply
    2,881.19x = 3,975.34 × 1,622
  4. Step 4: Simplify right side
    2,881.19x = 6,448,001.48
  5. Step 5: Solve for x
    x = 6,448,001.48/2,881.19
  6. Step 6: Final answer
    x = 2,237.96

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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.