Home / 3,168.18-4,371.99-1,732.48

Finding the Fourth Proportional to 3,168.18, 4,371.99 and 1,732.48

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Solution

The fourth proportional to 3,168.18, 4,371.99 and 1,732.48 is: 2,390.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.18 : 4,371.99 = 1,732.48 : x
  2. Step 2: Convert to fraction form
    3,168.18/4,371.99 = 1,732.48/x
  3. Step 3: Cross multiply
    3,168.18x = 4,371.99 × 1,732.48
  4. Step 4: Simplify right side
    3,168.18x = 7,574,385.24
  5. Step 5: Solve for x
    x = 7,574,385.24/3,168.18
  6. Step 6: Final answer
    x = 2,390.77

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.