Home / 2,981.68-4,470.46-1,201.64

Finding the Fourth Proportional to 2,981.68, 4,470.46 and 1,201.64

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Solution

The fourth proportional to 2,981.68, 4,470.46 and 1,201.64 is: 1,801.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981.68 : 4,470.46 = 1,201.64 : x
  2. Step 2: Convert to fraction form
    2,981.68/4,470.46 = 1,201.64/x
  3. Step 3: Cross multiply
    2,981.68x = 4,470.46 × 1,201.64
  4. Step 4: Simplify right side
    2,981.68x = 5,371,858.20
  5. Step 5: Solve for x
    x = 5,371,858.20/2,981.68
  6. Step 6: Final answer
    x = 1,801.62

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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.