Home / 3,927.58-5,419.45-2,512.54

Finding the Fourth Proportional to 3,927.58, 5,419.45 and 2,512.54

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Solution

The fourth proportional to 3,927.58, 5,419.45 and 2,512.54 is: 3,466.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.58 : 5,419.45 = 2,512.54 : x
  2. Step 2: Convert to fraction form
    3,927.58/5,419.45 = 2,512.54/x
  3. Step 3: Cross multiply
    3,927.58x = 5,419.45 × 2,512.54
  4. Step 4: Simplify right side
    3,927.58x = 13,616,557.81
  5. Step 5: Solve for x
    x = 13,616,557.81/3,927.58
  6. Step 6: Final answer
    x = 3,466.91

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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.