Home / 2,174.43-2,999.75-1,335.07

Finding the Fourth Proportional to 2,174.43, 2,999.75 and 1,335.07

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Solution

The fourth proportional to 2,174.43, 2,999.75 and 1,335.07 is: 1,841.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,174.43 : 2,999.75 = 1,335.07 : x
  2. Step 2: Convert to fraction form
    2,174.43/2,999.75 = 1,335.07/x
  3. Step 3: Cross multiply
    2,174.43x = 2,999.75 × 1,335.07
  4. Step 4: Simplify right side
    2,174.43x = 4,004,876.23
  5. Step 5: Solve for x
    x = 4,004,876.23/2,174.43
  6. Step 6: Final answer
    x = 1,841.81

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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.