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Finding the Fourth Proportional to 2,266.39, 3,398.93 and 622.99

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Solution

The fourth proportional to 2,266.39, 3,398.93 and 622.99 is: 934.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,266.39 : 3,398.93 = 622.99 : x
  2. Step 2: Convert to fraction form
    2,266.39/3,398.93 = 622.99/x
  3. Step 3: Cross multiply
    2,266.39x = 3,398.93 × 622.99
  4. Step 4: Simplify right side
    2,266.39x = 2,117,499.40
  5. Step 5: Solve for x
    x = 2,117,499.40/2,266.39
  6. Step 6: Final answer
    x = 934.30

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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.