Home / 3,812.64-5,261.91-2,321.07

Finding the Fourth Proportional to 3,812.64, 5,261.91 and 2,321.07

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Solution

The fourth proportional to 3,812.64, 5,261.91 and 2,321.07 is: 3,203.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,812.64 : 5,261.91 = 2,321.07 : x
  2. Step 2: Convert to fraction form
    3,812.64/5,261.91 = 2,321.07/x
  3. Step 3: Cross multiply
    3,812.64x = 5,261.91 × 2,321.07
  4. Step 4: Simplify right side
    3,812.64x = 12,213,261.44
  5. Step 5: Solve for x
    x = 12,213,261.44/3,812.64
  6. Step 6: Final answer
    x = 3,203.36

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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.