Home / 3,929.34-5,894.07-1,007.58

Finding the Fourth Proportional to 3,929.34, 5,894.07 and 1,007.58

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Solution

The fourth proportional to 3,929.34, 5,894.07 and 1,007.58 is: 1,511.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929.34 : 5,894.07 = 1,007.58 : x
  2. Step 2: Convert to fraction form
    3,929.34/5,894.07 = 1,007.58/x
  3. Step 3: Cross multiply
    3,929.34x = 5,894.07 × 1,007.58
  4. Step 4: Simplify right side
    3,929.34x = 5,938,747.05
  5. Step 5: Solve for x
    x = 5,938,747.05/3,929.34
  6. Step 6: Final answer
    x = 1,511.39

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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.