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Finding the Fourth Proportional to 1,933.32, 2,900.61 and 634.98

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Solution

The fourth proportional to 1,933.32, 2,900.61 and 634.98 is: 952.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933.32 : 2,900.61 = 634.98 : x
  2. Step 2: Convert to fraction form
    1,933.32/2,900.61 = 634.98/x
  3. Step 3: Cross multiply
    1,933.32x = 2,900.61 × 634.98
  4. Step 4: Simplify right side
    1,933.32x = 1,841,829.34
  5. Step 5: Solve for x
    x = 1,841,829.34/1,933.32
  6. Step 6: Final answer
    x = 952.68

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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.