Home / 2,881.23-3,975.98-1,622.33

Finding the Fourth Proportional to 2,881.23, 3,975.98 and 1,622.33

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Solution

The fourth proportional to 2,881.23, 3,975.98 and 1,622.33 is: 2,238.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,881.23 : 3,975.98 = 1,622.33 : x
  2. Step 2: Convert to fraction form
    2,881.23/3,975.98 = 1,622.33/x
  3. Step 3: Cross multiply
    2,881.23x = 3,975.98 × 1,622.33
  4. Step 4: Simplify right side
    2,881.23x = 6,450,351.63
  5. Step 5: Solve for x
    x = 6,450,351.63/2,881.23
  6. Step 6: Final answer
    x = 2,238.75

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1.5x scale

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.