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Finding the Fourth Proportional to 1,889.97, 2,834.99 and 962.91

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Solution

The fourth proportional to 1,889.97, 2,834.99 and 962.91 is: 1,444.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889.97 : 2,834.99 = 962.91 : x
  2. Step 2: Convert to fraction form
    1,889.97/2,834.99 = 962.91/x
  3. Step 3: Cross multiply
    1,889.97x = 2,834.99 × 962.91
  4. Step 4: Simplify right side
    1,889.97x = 2,729,835.41
  5. Step 5: Solve for x
    x = 2,729,835.41/1,889.97
  6. Step 6: Final answer
    x = 1,444.38

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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.