Home / 3,811.64-5,259.43-2,240.04

Finding the Fourth Proportional to 3,811.64, 5,259.43 and 2,240.04

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Solution

The fourth proportional to 3,811.64, 5,259.43 and 2,240.04 is: 3,090.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,811.64 : 5,259.43 = 2,240.04 : x
  2. Step 2: Convert to fraction form
    3,811.64/5,259.43 = 2,240.04/x
  3. Step 3: Cross multiply
    3,811.64x = 5,259.43 × 2,240.04
  4. Step 4: Simplify right side
    3,811.64x = 11,781,339.18
  5. Step 5: Solve for x
    x = 11,781,339.18/3,811.64
  6. Step 6: Final answer
    x = 3,090.88

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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.