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Finding the Fourth Proportional to 2,366.90, 3,550.38 and 635.50

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Solution

The fourth proportional to 2,366.90, 3,550.38 and 635.50 is: 953.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,366.90 : 3,550.38 = 635.50 : x
  2. Step 2: Convert to fraction form
    2,366.90/3,550.38 = 635.50/x
  3. Step 3: Cross multiply
    2,366.90x = 3,550.38 × 635.50
  4. Step 4: Simplify right side
    2,366.90x = 2,256,266.49
  5. Step 5: Solve for x
    x = 2,256,266.49/2,366.90
  6. Step 6: Final answer
    x = 953.26

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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.