Home / 3,977.15-5,486.59-2,383.04

Finding the Fourth Proportional to 3,977.15, 5,486.59 and 2,383.04

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Solution

The fourth proportional to 3,977.15, 5,486.59 and 2,383.04 is: 3,287.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977.15 : 5,486.59 = 2,383.04 : x
  2. Step 2: Convert to fraction form
    3,977.15/5,486.59 = 2,383.04/x
  3. Step 3: Cross multiply
    3,977.15x = 5,486.59 × 2,383.04
  4. Step 4: Simplify right side
    3,977.15x = 13,074,735.86
  5. Step 5: Solve for x
    x = 13,074,735.86/3,977.15
  6. Step 6: Final answer
    x = 3,287.46

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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.