Home / 4,121.34-6,182.10-1,929.48

Finding the Fourth Proportional to 4,121.34, 6,182.10 and 1,929.48

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Solution

The fourth proportional to 4,121.34, 6,182.10 and 1,929.48 is: 2,894.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.34 : 6,182.10 = 1,929.48 : x
  2. Step 2: Convert to fraction form
    4,121.34/6,182.10 = 1,929.48/x
  3. Step 3: Cross multiply
    4,121.34x = 6,182.10 × 1,929.48
  4. Step 4: Simplify right side
    4,121.34x = 11,928,238.31
  5. Step 5: Solve for x
    x = 11,928,238.31/4,121.34
  6. Step 6: Final answer
    x = 2,894.26

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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.