Home / 2,305.48-3,179.05-1,558.14

Finding the Fourth Proportional to 2,305.48, 3,179.05 and 1,558.14

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Solution

The fourth proportional to 2,305.48, 3,179.05 and 1,558.14 is: 2,148.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,305.48 : 3,179.05 = 1,558.14 : x
  2. Step 2: Convert to fraction form
    2,305.48/3,179.05 = 1,558.14/x
  3. Step 3: Cross multiply
    2,305.48x = 3,179.05 × 1,558.14
  4. Step 4: Simplify right side
    2,305.48x = 4,953,404.97
  5. Step 5: Solve for x
    x = 4,953,404.97/2,305.48
  6. Step 6: Final answer
    x = 2,148.54

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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.