Home / 3,917.49-5,876.10-1,576.77

Finding the Fourth Proportional to 3,917.49, 5,876.10 and 1,576.77

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Solution

The fourth proportional to 3,917.49, 5,876.10 and 1,576.77 is: 2,365.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,917.49 : 5,876.10 = 1,576.77 : x
  2. Step 2: Convert to fraction form
    3,917.49/5,876.10 = 1,576.77/x
  3. Step 3: Cross multiply
    3,917.49x = 5,876.10 × 1,576.77
  4. Step 4: Simplify right side
    3,917.49x = 9,265,258.20
  5. Step 5: Solve for x
    x = 9,265,258.20/3,917.49
  6. Step 6: Final answer
    x = 2,365.10

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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.