Home / 3,974.76-5,961.46-1,053.36

Finding the Fourth Proportional to 3,974.76, 5,961.46 and 1,053.36

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Solution

The fourth proportional to 3,974.76, 5,961.46 and 1,053.36 is: 1,579.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,974.76 : 5,961.46 = 1,053.36 : x
  2. Step 2: Convert to fraction form
    3,974.76/5,961.46 = 1,053.36/x
  3. Step 3: Cross multiply
    3,974.76x = 5,961.46 × 1,053.36
  4. Step 4: Simplify right side
    3,974.76x = 6,279,563.51
  5. Step 5: Solve for x
    x = 6,279,563.51/3,974.76
  6. Step 6: Final answer
    x = 1,579.86

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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.