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Finding the Fourth Proportional to 1,900.58, 2,851.05 and 601.88

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Solution

The fourth proportional to 1,900.58, 2,851.05 and 601.88 is: 902.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900.58 : 2,851.05 = 601.88 : x
  2. Step 2: Convert to fraction form
    1,900.58/2,851.05 = 601.88/x
  3. Step 3: Cross multiply
    1,900.58x = 2,851.05 × 601.88
  4. Step 4: Simplify right side
    1,900.58x = 1,715,989.97
  5. Step 5: Solve for x
    x = 1,715,989.97/1,900.58
  6. Step 6: Final answer
    x = 902.88

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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.