Home / 2,816.66-4,217.69-1,941.86

Finding the Fourth Proportional to 2,816.66, 4,217.69 and 1,941.86

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Solution

The fourth proportional to 2,816.66, 4,217.69 and 1,941.86 is: 2,907.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,816.66 : 4,217.69 = 1,941.86 : x
  2. Step 2: Convert to fraction form
    2,816.66/4,217.69 = 1,941.86/x
  3. Step 3: Cross multiply
    2,816.66x = 4,217.69 × 1,941.86
  4. Step 4: Simplify right side
    2,816.66x = 8,190,132.71
  5. Step 5: Solve for x
    x = 8,190,132.71/2,816.66
  6. Step 6: Final answer
    x = 2,907.75

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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.