Home / 3,449.36-5,174.04-2,840.64

Finding the Fourth Proportional to 3,449.36, 5,174.04 and 2,840.64

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Solution

The fourth proportional to 3,449.36, 5,174.04 and 2,840.64 is: 4,260.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,449.36 : 5,174.04 = 2,840.64 : x
  2. Step 2: Convert to fraction form
    3,449.36/5,174.04 = 2,840.64/x
  3. Step 3: Cross multiply
    3,449.36x = 5,174.04 × 2,840.64
  4. Step 4: Simplify right side
    3,449.36x = 14,697,584.99
  5. Step 5: Solve for x
    x = 14,697,584.99/3,449.36
  6. Step 6: Final answer
    x = 4,260.96

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1.5x scale

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.