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Finding the Fourth Proportional to 4,287.94, 5,917.12 and 2,519.44

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Solution

The fourth proportional to 4,287.94, 5,917.12 and 2,519.44 is: 3,476.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,287.94 : 5,917.12 = 2,519.44 : x
  2. Step 2: Convert to fraction form
    4,287.94/5,917.12 = 2,519.44/x
  3. Step 3: Cross multiply
    4,287.94x = 5,917.12 × 2,519.44
  4. Step 4: Simplify right side
    4,287.94x = 14,907,807.72
  5. Step 5: Solve for x
    x = 14,907,807.72/4,287.94
  6. Step 6: Final answer
    x = 3,476.68

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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.