Home / 2,717.18-3,749.03-1,722.09

Finding the Fourth Proportional to 2,717.18, 3,749.03 and 1,722.09

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Solution

The fourth proportional to 2,717.18, 3,749.03 and 1,722.09 is: 2,376.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.18 : 3,749.03 = 1,722.09 : x
  2. Step 2: Convert to fraction form
    2,717.18/3,749.03 = 1,722.09/x
  3. Step 3: Cross multiply
    2,717.18x = 3,749.03 × 1,722.09
  4. Step 4: Simplify right side
    2,717.18x = 6,456,158.46
  5. Step 5: Solve for x
    x = 6,456,158.46/2,717.18
  6. Step 6: Final answer
    x = 2,376.06

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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.