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Finding the Fourth Proportional to 2,369.26, 3,551.84 and 907.38

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Solution

The fourth proportional to 2,369.26, 3,551.84 and 907.38 is: 1,360.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,369.26 : 3,551.84 = 907.38 : x
  2. Step 2: Convert to fraction form
    2,369.26/3,551.84 = 907.38/x
  3. Step 3: Cross multiply
    2,369.26x = 3,551.84 × 907.38
  4. Step 4: Simplify right side
    2,369.26x = 3,222,868.58
  5. Step 5: Solve for x
    x = 3,222,868.58/2,369.26
  6. Step 6: Final answer
    x = 1,360.28

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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.