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Finding the Fourth Proportional to 3,464.02, 5,201.70 and 2,919.70

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Solution

The fourth proportional to 3,464.02, 5,201.70 and 2,919.70 is: 4,384.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,464.02 : 5,201.70 = 2,919.70 : x
  2. Step 2: Convert to fraction form
    3,464.02/5,201.70 = 2,919.70/x
  3. Step 3: Cross multiply
    3,464.02x = 5,201.70 × 2,919.70
  4. Step 4: Simplify right side
    3,464.02x = 15,187,403.49
  5. Step 5: Solve for x
    x = 15,187,403.49/3,464.02
  6. Step 6: Final answer
    x = 4,384.33

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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.