Home / 1,731.30-2,383.17-1,310.91

Finding the Fourth Proportional to 1,731.30, 2,383.17 and 1,310.91

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Solution

The fourth proportional to 1,731.30, 2,383.17 and 1,310.91 is: 1,804.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731.30 : 2,383.17 = 1,310.91 : x
  2. Step 2: Convert to fraction form
    1,731.30/2,383.17 = 1,310.91/x
  3. Step 3: Cross multiply
    1,731.30x = 2,383.17 × 1,310.91
  4. Step 4: Simplify right side
    1,731.30x = 3,124,121.38
  5. Step 5: Solve for x
    x = 3,124,121.38/1,731.30
  6. Step 6: Final answer
    x = 1,804.49

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Why These Related Problems?

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