Home / 3,519.41-5,278.33-1,053.91

Finding the Fourth Proportional to 3,519.41, 5,278.33 and 1,053.91

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Solution

The fourth proportional to 3,519.41, 5,278.33 and 1,053.91 is: 1,580.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.41 : 5,278.33 = 1,053.91 : x
  2. Step 2: Convert to fraction form
    3,519.41/5,278.33 = 1,053.91/x
  3. Step 3: Cross multiply
    3,519.41x = 5,278.33 × 1,053.91
  4. Step 4: Simplify right side
    3,519.41x = 5,562,884.77
  5. Step 5: Solve for x
    x = 5,562,884.77/3,519.41
  6. Step 6: Final answer
    x = 1,580.63

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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.