Home / 3,182.12-4,389.72-2,000.96

Finding the Fourth Proportional to 3,182.12, 4,389.72 and 2,000.96

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Solution

The fourth proportional to 3,182.12, 4,389.72 and 2,000.96 is: 2,760.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182.12 : 4,389.72 = 2,000.96 : x
  2. Step 2: Convert to fraction form
    3,182.12/4,389.72 = 2,000.96/x
  3. Step 3: Cross multiply
    3,182.12x = 4,389.72 × 2,000.96
  4. Step 4: Simplify right side
    3,182.12x = 8,783,654.13
  5. Step 5: Solve for x
    x = 8,783,654.13/3,182.12
  6. Step 6: Final answer
    x = 2,760.32

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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.