Home / 2,834.85-3,911-2,090.60

Finding the Fourth Proportional to 2,834.85, 3,911 and 2,090.60

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Solution

The fourth proportional to 2,834.85, 3,911 and 2,090.60 is: 2,884.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,834.85 : 3,911 = 2,090.60 : x
  2. Step 2: Convert to fraction form
    2,834.85/3,911 = 2,090.60/x
  3. Step 3: Cross multiply
    2,834.85x = 3,911 × 2,090.60
  4. Step 4: Simplify right side
    2,834.85x = 8,176,336.60
  5. Step 5: Solve for x
    x = 8,176,336.60/2,834.85
  6. Step 6: Final answer
    x = 2,884.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.