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Finding the Fourth Proportional to 4,233.80, 6,349.80 and 1,893.80

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Solution

The fourth proportional to 4,233.80, 6,349.80 and 1,893.80 is: 2,840.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,233.80 : 6,349.80 = 1,893.80 : x
  2. Step 2: Convert to fraction form
    4,233.80/6,349.80 = 1,893.80/x
  3. Step 3: Cross multiply
    4,233.80x = 6,349.80 × 1,893.80
  4. Step 4: Simplify right side
    4,233.80x = 12,025,251.24
  5. Step 5: Solve for x
    x = 12,025,251.24/4,233.80
  6. Step 6: Final answer
    x = 2,840.30

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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.