Home / 3,461.13-5,188.41-1,382.42

Finding the Fourth Proportional to 3,461.13, 5,188.41 and 1,382.42

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Solution

The fourth proportional to 3,461.13, 5,188.41 and 1,382.42 is: 2,072.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,461.13 : 5,188.41 = 1,382.42 : x
  2. Step 2: Convert to fraction form
    3,461.13/5,188.41 = 1,382.42/x
  3. Step 3: Cross multiply
    3,461.13x = 5,188.41 × 1,382.42
  4. Step 4: Simplify right side
    3,461.13x = 7,172,574.72
  5. Step 5: Solve for x
    x = 7,172,574.72/3,461.13
  6. Step 6: Final answer
    x = 2,072.32

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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.