Home / 3,168.05-4,753.49-1,319.58

Finding the Fourth Proportional to 3,168.05, 4,753.49 and 1,319.58

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Solution

The fourth proportional to 3,168.05, 4,753.49 and 1,319.58 is: 1,979.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.05 : 4,753.49 = 1,319.58 : x
  2. Step 2: Convert to fraction form
    3,168.05/4,753.49 = 1,319.58/x
  3. Step 3: Cross multiply
    3,168.05x = 4,753.49 × 1,319.58
  4. Step 4: Simplify right side
    3,168.05x = 6,272,603.74
  5. Step 5: Solve for x
    x = 6,272,603.74/3,168.05
  6. Step 6: Final answer
    x = 1,979.96

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.