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Finding the Fourth Proportional to 1,598.61, 2,396.49 and 625.39

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Solution

The fourth proportional to 1,598.61, 2,396.49 and 625.39 is: 937.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,598.61 : 2,396.49 = 625.39 : x
  2. Step 2: Convert to fraction form
    1,598.61/2,396.49 = 625.39/x
  3. Step 3: Cross multiply
    1,598.61x = 2,396.49 × 625.39
  4. Step 4: Simplify right side
    1,598.61x = 1,498,740.88
  5. Step 5: Solve for x
    x = 1,498,740.88/1,598.61
  6. Step 6: Final answer
    x = 937.53

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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.