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Finding the Fourth Proportional to 3,365.50, 4,644.40 and 1,893.50

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Solution

The fourth proportional to 3,365.50, 4,644.40 and 1,893.50 is: 2,613.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,365.50 : 4,644.40 = 1,893.50 : x
  2. Step 2: Convert to fraction form
    3,365.50/4,644.40 = 1,893.50/x
  3. Step 3: Cross multiply
    3,365.50x = 4,644.40 × 1,893.50
  4. Step 4: Simplify right side
    3,365.50x = 8,794,171.40
  5. Step 5: Solve for x
    x = 8,794,171.40/3,365.50
  6. Step 6: Final answer
    x = 2,613.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.