Home / 2,996.32-4,489.01-2,172.55

Finding the Fourth Proportional to 2,996.32, 4,489.01 and 2,172.55

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Solution

The fourth proportional to 2,996.32, 4,489.01 and 2,172.55 is: 3,254.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,996.32 : 4,489.01 = 2,172.55 : x
  2. Step 2: Convert to fraction form
    2,996.32/4,489.01 = 2,172.55/x
  3. Step 3: Cross multiply
    2,996.32x = 4,489.01 × 2,172.55
  4. Step 4: Simplify right side
    2,996.32x = 9,752,587.81
  5. Step 5: Solve for x
    x = 9,752,587.81/2,996.32
  6. Step 6: Final answer
    x = 3,254.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.