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Finding the Fourth Proportional to 1,900.06, 2,848.73 and 729.07

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Solution

The fourth proportional to 1,900.06, 2,848.73 and 729.07 is: 1,093.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900.06 : 2,848.73 = 729.07 : x
  2. Step 2: Convert to fraction form
    1,900.06/2,848.73 = 729.07/x
  3. Step 3: Cross multiply
    1,900.06x = 2,848.73 × 729.07
  4. Step 4: Simplify right side
    1,900.06x = 2,076,923.58
  5. Step 5: Solve for x
    x = 2,076,923.58/1,900.06
  6. Step 6: Final answer
    x = 1,093.08

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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.