Home / 3,771.97-5,203.89-2,779.62

Finding the Fourth Proportional to 3,771.97, 5,203.89 and 2,779.62

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Solution

The fourth proportional to 3,771.97, 5,203.89 and 2,779.62 is: 3,834.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,771.97 : 5,203.89 = 2,779.62 : x
  2. Step 2: Convert to fraction form
    3,771.97/5,203.89 = 2,779.62/x
  3. Step 3: Cross multiply
    3,771.97x = 5,203.89 × 2,779.62
  4. Step 4: Simplify right side
    3,771.97x = 14,464,810.70
  5. Step 5: Solve for x
    x = 14,464,810.70/3,771.97
  6. Step 6: Final answer
    x = 3,834.82

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1.5x scale

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.