Home / 3,810.83-5,259.96-2,239.97

Finding the Fourth Proportional to 3,810.83, 5,259.96 and 2,239.97

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Solution

The fourth proportional to 3,810.83, 5,259.96 and 2,239.97 is: 3,091.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,810.83 : 5,259.96 = 2,239.97 : x
  2. Step 2: Convert to fraction form
    3,810.83/5,259.96 = 2,239.97/x
  3. Step 3: Cross multiply
    3,810.83x = 5,259.96 × 2,239.97
  4. Step 4: Simplify right side
    3,810.83x = 11,782,126.30
  5. Step 5: Solve for x
    x = 11,782,126.30/3,810.83
  6. Step 6: Final answer
    x = 3,091.75

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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.