Home / 1,644.42-2,268.77-1,119.54

Finding the Fourth Proportional to 1,644.42, 2,268.77 and 1,119.54

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Solution

The fourth proportional to 1,644.42, 2,268.77 and 1,119.54 is: 1,544.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644.42 : 2,268.77 = 1,119.54 : x
  2. Step 2: Convert to fraction form
    1,644.42/2,268.77 = 1,119.54/x
  3. Step 3: Cross multiply
    1,644.42x = 2,268.77 × 1,119.54
  4. Step 4: Simplify right side
    1,644.42x = 2,539,973.17
  5. Step 5: Solve for x
    x = 2,539,973.17/1,644.42
  6. Step 6: Final answer
    x = 1,544.60

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1.5x scale

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.