Home / 3,464.18-5,199.21-1,385.64

Finding the Fourth Proportional to 3,464.18, 5,199.21 and 1,385.64

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Solution

The fourth proportional to 3,464.18, 5,199.21 and 1,385.64 is: 2,079.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,464.18 : 5,199.21 = 1,385.64 : x
  2. Step 2: Convert to fraction form
    3,464.18/5,199.21 = 1,385.64/x
  3. Step 3: Cross multiply
    3,464.18x = 5,199.21 × 1,385.64
  4. Step 4: Simplify right side
    3,464.18x = 7,204,200.42
  5. Step 5: Solve for x
    x = 7,204,200.42/3,464.18
  6. Step 6: Final answer
    x = 2,079.63

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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.