Home / 1,474.15-2,033.48-921.19

Finding the Fourth Proportional to 1,474.15, 2,033.48 and 921.19

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Solution

The fourth proportional to 1,474.15, 2,033.48 and 921.19 is: 1,270.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474.15 : 2,033.48 = 921.19 : x
  2. Step 2: Convert to fraction form
    1,474.15/2,033.48 = 921.19/x
  3. Step 3: Cross multiply
    1,474.15x = 2,033.48 × 921.19
  4. Step 4: Simplify right side
    1,474.15x = 1,873,221.44
  5. Step 5: Solve for x
    x = 1,873,221.44/1,474.15
  6. Step 6: Final answer
    x = 1,270.71

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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.