Home / 3,929.37-5,893.91-1,007.70

Finding the Fourth Proportional to 3,929.37, 5,893.91 and 1,007.70

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Solution

The fourth proportional to 3,929.37, 5,893.91 and 1,007.70 is: 1,511.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929.37 : 5,893.91 = 1,007.70 : x
  2. Step 2: Convert to fraction form
    3,929.37/5,893.91 = 1,007.70/x
  3. Step 3: Cross multiply
    3,929.37x = 5,893.91 × 1,007.70
  4. Step 4: Simplify right side
    3,929.37x = 5,939,293.11
  5. Step 5: Solve for x
    x = 5,939,293.11/3,929.37
  6. Step 6: Final answer
    x = 1,511.51

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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.