Home / 2,929.74-4,382.61-2,188.90

Finding the Fourth Proportional to 2,929.74, 4,382.61 and 2,188.90

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Solution

The fourth proportional to 2,929.74, 4,382.61 and 2,188.90 is: 3,274.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.74 : 4,382.61 = 2,188.90 : x
  2. Step 2: Convert to fraction form
    2,929.74/4,382.61 = 2,188.90/x
  3. Step 3: Cross multiply
    2,929.74x = 4,382.61 × 2,188.90
  4. Step 4: Simplify right side
    2,929.74x = 9,593,095.03
  5. Step 5: Solve for x
    x = 9,593,095.03/2,929.74
  6. Step 6: Final answer
    x = 3,274.38

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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.