Home / 2,239.74-3,359.56-2,172.07

Finding the Fourth Proportional to 2,239.74, 3,359.56 and 2,172.07

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Solution

The fourth proportional to 2,239.74, 3,359.56 and 2,172.07 is: 3,258.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239.74 : 3,359.56 = 2,172.07 : x
  2. Step 2: Convert to fraction form
    2,239.74/3,359.56 = 2,172.07/x
  3. Step 3: Cross multiply
    2,239.74x = 3,359.56 × 2,172.07
  4. Step 4: Simplify right side
    2,239.74x = 7,297,199.49
  5. Step 5: Solve for x
    x = 7,297,199.49/2,239.74
  6. Step 6: Final answer
    x = 3,258.06

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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.