Home / 3,168.02-4,755.68-1,943.30

Finding the Fourth Proportional to 3,168.02, 4,755.68 and 1,943.30

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Solution

The fourth proportional to 3,168.02, 4,755.68 and 1,943.30 is: 2,917.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.02 : 4,755.68 = 1,943.30 : x
  2. Step 2: Convert to fraction form
    3,168.02/4,755.68 = 1,943.30/x
  3. Step 3: Cross multiply
    3,168.02x = 4,755.68 × 1,943.30
  4. Step 4: Simplify right side
    3,168.02x = 9,241,712.94
  5. Step 5: Solve for x
    x = 9,241,712.94/3,168.02
  6. Step 6: Final answer
    x = 2,917.19

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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.