Home / 3,984.64-5,987.58-2,038.12

Finding the Fourth Proportional to 3,984.64, 5,987.58 and 2,038.12

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Solution

The fourth proportional to 3,984.64, 5,987.58 and 2,038.12 is: 3,062.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,984.64 : 5,987.58 = 2,038.12 : x
  2. Step 2: Convert to fraction form
    3,984.64/5,987.58 = 2,038.12/x
  3. Step 3: Cross multiply
    3,984.64x = 5,987.58 × 2,038.12
  4. Step 4: Simplify right side
    3,984.64x = 12,203,406.55
  5. Step 5: Solve for x
    x = 12,203,406.55/3,984.64
  6. Step 6: Final answer
    x = 3,062.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.