Home / 2,968.92-4,453.89-1,120.30

Finding the Fourth Proportional to 2,968.92, 4,453.89 and 1,120.30

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Solution

The fourth proportional to 2,968.92, 4,453.89 and 1,120.30 is: 1,680.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,968.92 : 4,453.89 = 1,120.30 : x
  2. Step 2: Convert to fraction form
    2,968.92/4,453.89 = 1,120.30/x
  3. Step 3: Cross multiply
    2,968.92x = 4,453.89 × 1,120.30
  4. Step 4: Simplify right side
    2,968.92x = 4,989,677.63
  5. Step 5: Solve for x
    x = 4,989,677.63/2,968.92
  6. Step 6: Final answer
    x = 1,680.64

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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.