Home / 3,378.47-5,067.86-1,038.83

Finding the Fourth Proportional to 3,378.47, 5,067.86 and 1,038.83

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Solution

The fourth proportional to 3,378.47, 5,067.86 and 1,038.83 is: 1,558.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378.47 : 5,067.86 = 1,038.83 : x
  2. Step 2: Convert to fraction form
    3,378.47/5,067.86 = 1,038.83/x
  3. Step 3: Cross multiply
    3,378.47x = 5,067.86 × 1,038.83
  4. Step 4: Simplify right side
    3,378.47x = 5,264,614.47
  5. Step 5: Solve for x
    x = 5,264,614.47/3,378.47
  6. Step 6: Final answer
    x = 1,558.29

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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.