Home / 2,170.17-3,255.66-1,349.37

Finding the Fourth Proportional to 2,170.17, 3,255.66 and 1,349.37

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Solution

The fourth proportional to 2,170.17, 3,255.66 and 1,349.37 is: 2,024.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170.17 : 3,255.66 = 1,349.37 : x
  2. Step 2: Convert to fraction form
    2,170.17/3,255.66 = 1,349.37/x
  3. Step 3: Cross multiply
    2,170.17x = 3,255.66 × 1,349.37
  4. Step 4: Simplify right side
    2,170.17x = 4,393,089.93
  5. Step 5: Solve for x
    x = 4,393,089.93/2,170.17
  6. Step 6: Final answer
    x = 2,024.31

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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.