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Finding the Fourth Proportional to 2,267.39, 3,400.43 and 623.99

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Solution

The fourth proportional to 2,267.39, 3,400.43 and 623.99 is: 935.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,267.39 : 3,400.43 = 623.99 : x
  2. Step 2: Convert to fraction form
    2,267.39/3,400.43 = 623.99/x
  3. Step 3: Cross multiply
    2,267.39x = 3,400.43 × 623.99
  4. Step 4: Simplify right side
    2,267.39x = 2,121,834.32
  5. Step 5: Solve for x
    x = 2,121,834.32/2,267.39
  6. Step 6: Final answer
    x = 935.80

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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.