Home / 1,601.44-2,401.12-1,382.05

Finding the Fourth Proportional to 1,601.44, 2,401.12 and 1,382.05

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Solution

The fourth proportional to 1,601.44, 2,401.12 and 1,382.05 is: 2,072.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,601.44 : 2,401.12 = 1,382.05 : x
  2. Step 2: Convert to fraction form
    1,601.44/2,401.12 = 1,382.05/x
  3. Step 3: Cross multiply
    1,601.44x = 2,401.12 × 1,382.05
  4. Step 4: Simplify right side
    1,601.44x = 3,318,467.90
  5. Step 5: Solve for x
    x = 3,318,467.90/1,601.44
  6. Step 6: Final answer
    x = 2,072.18

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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.