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Finding the Fourth Proportional to 3,373.91, 5,064.10 and 1,643.75

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Solution

The fourth proportional to 3,373.91, 5,064.10 and 1,643.75 is: 2,467.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,373.91 : 5,064.10 = 1,643.75 : x
  2. Step 2: Convert to fraction form
    3,373.91/5,064.10 = 1,643.75/x
  3. Step 3: Cross multiply
    3,373.91x = 5,064.10 × 1,643.75
  4. Step 4: Simplify right side
    3,373.91x = 8,324,114.38
  5. Step 5: Solve for x
    x = 8,324,114.38/3,373.91
  6. Step 6: Final answer
    x = 2,467.20

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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.