Home / 2,929.44-4,390.11-2,104.05

Finding the Fourth Proportional to 2,929.44, 4,390.11 and 2,104.05

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Solution

The fourth proportional to 2,929.44, 4,390.11 and 2,104.05 is: 3,153.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.44 : 4,390.11 = 2,104.05 : x
  2. Step 2: Convert to fraction form
    2,929.44/4,390.11 = 2,104.05/x
  3. Step 3: Cross multiply
    2,929.44x = 4,390.11 × 2,104.05
  4. Step 4: Simplify right side
    2,929.44x = 9,237,010.95
  5. Step 5: Solve for x
    x = 9,237,010.95/2,929.44
  6. Step 6: Final answer
    x = 3,153.17

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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.