Home / 2,440.62-3,661.47-1,141.38

Finding the Fourth Proportional to 2,440.62, 3,661.47 and 1,141.38

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Solution

The fourth proportional to 2,440.62, 3,661.47 and 1,141.38 is: 1,712.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,440.62 : 3,661.47 = 1,141.38 : x
  2. Step 2: Convert to fraction form
    2,440.62/3,661.47 = 1,141.38/x
  3. Step 3: Cross multiply
    2,440.62x = 3,661.47 × 1,141.38
  4. Step 4: Simplify right side
    2,440.62x = 4,179,128.63
  5. Step 5: Solve for x
    x = 4,179,128.63/2,440.62
  6. Step 6: Final answer
    x = 1,712.32

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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.