Home / 2,929.75-4,391.51-2,005.04

Finding the Fourth Proportional to 2,929.75, 4,391.51 and 2,005.04

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Solution

The fourth proportional to 2,929.75, 4,391.51 and 2,005.04 is: 3,005.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.75 : 4,391.51 = 2,005.04 : x
  2. Step 2: Convert to fraction form
    2,929.75/4,391.51 = 2,005.04/x
  3. Step 3: Cross multiply
    2,929.75x = 4,391.51 × 2,005.04
  4. Step 4: Simplify right side
    2,929.75x = 8,805,154.16
  5. Step 5: Solve for x
    x = 8,805,154.16/2,929.75
  6. Step 6: Final answer
    x = 3,005.43

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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.