Home / 2,305.31-3,455.53-1,148.63

Finding the Fourth Proportional to 2,305.31, 3,455.53 and 1,148.63

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Solution

The fourth proportional to 2,305.31, 3,455.53 and 1,148.63 is: 1,721.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,305.31 : 3,455.53 = 1,148.63 : x
  2. Step 2: Convert to fraction form
    2,305.31/3,455.53 = 1,148.63/x
  3. Step 3: Cross multiply
    2,305.31x = 3,455.53 × 1,148.63
  4. Step 4: Simplify right side
    2,305.31x = 3,969,105.27
  5. Step 5: Solve for x
    x = 3,969,105.27/2,305.31
  6. Step 6: Final answer
    x = 1,721.73

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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.