Home / 4,051.20-6,078.72-2,000.64

Finding the Fourth Proportional to 4,051.20, 6,078.72 and 2,000.64

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Solution

The fourth proportional to 4,051.20, 6,078.72 and 2,000.64 is: 3,001.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,051.20 : 6,078.72 = 2,000.64 : x
  2. Step 2: Convert to fraction form
    4,051.20/6,078.72 = 2,000.64/x
  3. Step 3: Cross multiply
    4,051.20x = 6,078.72 × 2,000.64
  4. Step 4: Simplify right side
    4,051.20x = 12,161,330.38
  5. Step 5: Solve for x
    x = 12,161,330.38/4,051.20
  6. Step 6: Final answer
    x = 3,001.91

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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.