Home / 2,168.43-2,992.46-1,317.44

Finding the Fourth Proportional to 2,168.43, 2,992.46 and 1,317.44

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Solution

The fourth proportional to 2,168.43, 2,992.46 and 1,317.44 is: 1,818.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,168.43 : 2,992.46 = 1,317.44 : x
  2. Step 2: Convert to fraction form
    2,168.43/2,992.46 = 1,317.44/x
  3. Step 3: Cross multiply
    2,168.43x = 2,992.46 × 1,317.44
  4. Step 4: Simplify right side
    2,168.43x = 3,942,386.50
  5. Step 5: Solve for x
    x = 3,942,386.50/2,168.43
  6. Step 6: Final answer
    x = 1,818.08

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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.