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Finding the Fourth Proportional to 1,900.13, 2,850.64 and 601.59

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Solution

The fourth proportional to 1,900.13, 2,850.64 and 601.59 is: 902.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900.13 : 2,850.64 = 601.59 : x
  2. Step 2: Convert to fraction form
    1,900.13/2,850.64 = 601.59/x
  3. Step 3: Cross multiply
    1,900.13x = 2,850.64 × 601.59
  4. Step 4: Simplify right side
    1,900.13x = 1,714,929.09
  5. Step 5: Solve for x
    x = 1,714,929.09/1,900.13
  6. Step 6: Final answer
    x = 902.53

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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.