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Finding the Fourth Proportional to 1,832.51, 2,529.21 and 1,235.00

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Solution

The fourth proportional to 1,832.51, 2,529.21 and 1,235.00 is: 1,704.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,832.51 : 2,529.21 = 1,235.00 : x
  2. Step 2: Convert to fraction form
    1,832.51/2,529.21 = 1,235.00/x
  3. Step 3: Cross multiply
    1,832.51x = 2,529.21 × 1,235.00
  4. Step 4: Simplify right side
    1,832.51x = 3,123,571.24
  5. Step 5: Solve for x
    x = 3,123,571.24/1,832.51
  6. Step 6: Final answer
    x = 1,704.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.