Home / 2,172.43-2,998.04-1,575.22

Finding the Fourth Proportional to 2,172.43, 2,998.04 and 1,575.22

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Solution

The fourth proportional to 2,172.43, 2,998.04 and 1,575.22 is: 2,173.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172.43 : 2,998.04 = 1,575.22 : x
  2. Step 2: Convert to fraction form
    2,172.43/2,998.04 = 1,575.22/x
  3. Step 3: Cross multiply
    2,172.43x = 2,998.04 × 1,575.22
  4. Step 4: Simplify right side
    2,172.43x = 4,722,572.57
  5. Step 5: Solve for x
    x = 4,722,572.57/2,172.43
  6. Step 6: Final answer
    x = 2,173.87

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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.