Home / 2,929.82-4,390.55-2,268.61

Finding the Fourth Proportional to 2,929.82, 4,390.55 and 2,268.61

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Solution

The fourth proportional to 2,929.82, 4,390.55 and 2,268.61 is: 3,399.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.82 : 4,390.55 = 2,268.61 : x
  2. Step 2: Convert to fraction form
    2,929.82/4,390.55 = 2,268.61/x
  3. Step 3: Cross multiply
    2,929.82x = 4,390.55 × 2,268.61
  4. Step 4: Simplify right side
    2,929.82x = 9,960,423.68
  5. Step 5: Solve for x
    x = 9,960,423.68/2,929.82
  6. Step 6: Final answer
    x = 3,399.68

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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.