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Finding the Fourth Proportional to 1,356.41, 2,033.91 and 625.37

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Solution

The fourth proportional to 1,356.41, 2,033.91 and 625.37 is: 937.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356.41 : 2,033.91 = 625.37 : x
  2. Step 2: Convert to fraction form
    1,356.41/2,033.91 = 625.37/x
  3. Step 3: Cross multiply
    1,356.41x = 2,033.91 × 625.37
  4. Step 4: Simplify right side
    1,356.41x = 1,271,936.13
  5. Step 5: Solve for x
    x = 1,271,936.13/1,356.41
  6. Step 6: Final answer
    x = 937.72

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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.