Home / 2,940.12-4,402.28-1,550.57

Finding the Fourth Proportional to 2,940.12, 4,402.28 and 1,550.57

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Solution

The fourth proportional to 2,940.12, 4,402.28 and 1,550.57 is: 2,321.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940.12 : 4,402.28 = 1,550.57 : x
  2. Step 2: Convert to fraction form
    2,940.12/4,402.28 = 1,550.57/x
  3. Step 3: Cross multiply
    2,940.12x = 4,402.28 × 1,550.57
  4. Step 4: Simplify right side
    2,940.12x = 6,826,043.30
  5. Step 5: Solve for x
    x = 6,826,043.30/2,940.12
  6. Step 6: Final answer
    x = 2,321.69

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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.