Home / 3,814.16-5,261.90-2,321.78

Finding the Fourth Proportional to 3,814.16, 5,261.90 and 2,321.78

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Solution

The fourth proportional to 3,814.16, 5,261.90 and 2,321.78 is: 3,203.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,814.16 : 5,261.90 = 2,321.78 : x
  2. Step 2: Convert to fraction form
    3,814.16/5,261.90 = 2,321.78/x
  3. Step 3: Cross multiply
    3,814.16x = 5,261.90 × 2,321.78
  4. Step 4: Simplify right side
    3,814.16x = 12,216,936.26
  5. Step 5: Solve for x
    x = 12,216,936.26/3,814.16
  6. Step 6: Final answer
    x = 3,203.05

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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.