Home / 3,518.46-5,278.44-1,053.48

Finding the Fourth Proportional to 3,518.46, 5,278.44 and 1,053.48

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Solution

The fourth proportional to 3,518.46, 5,278.44 and 1,053.48 is: 1,580.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.46 : 5,278.44 = 1,053.48 : x
  2. Step 2: Convert to fraction form
    3,518.46/5,278.44 = 1,053.48/x
  3. Step 3: Cross multiply
    3,518.46x = 5,278.44 × 1,053.48
  4. Step 4: Simplify right side
    3,518.46x = 5,560,730.97
  5. Step 5: Solve for x
    x = 5,560,730.97/3,518.46
  6. Step 6: Final answer
    x = 1,580.44

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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.