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Finding the Fourth Proportional to 2,269.83, 3,404.75 and 626.39

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Solution

The fourth proportional to 2,269.83, 3,404.75 and 626.39 is: 939.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,269.83 : 3,404.75 = 626.39 : x
  2. Step 2: Convert to fraction form
    2,269.83/3,404.75 = 626.39/x
  3. Step 3: Cross multiply
    2,269.83x = 3,404.75 × 626.39
  4. Step 4: Simplify right side
    2,269.83x = 2,132,701.35
  5. Step 5: Solve for x
    x = 2,132,701.35/2,269.83
  6. Step 6: Final answer
    x = 939.59

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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.