Home / 1,644.02-2,268.66-897.83

Finding the Fourth Proportional to 1,644.02, 2,268.66 and 897.83

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Solution

The fourth proportional to 1,644.02, 2,268.66 and 897.83 is: 1,238.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644.02 : 2,268.66 = 897.83 : x
  2. Step 2: Convert to fraction form
    1,644.02/2,268.66 = 897.83/x
  3. Step 3: Cross multiply
    1,644.02x = 2,268.66 × 897.83
  4. Step 4: Simplify right side
    1,644.02x = 2,036,876.68
  5. Step 5: Solve for x
    x = 2,036,876.68/1,644.02
  6. Step 6: Final answer
    x = 1,238.96

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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.