Home / 1,923.36-2,654.32-1,261.96

Finding the Fourth Proportional to 1,923.36, 2,654.32 and 1,261.96

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Solution

The fourth proportional to 1,923.36, 2,654.32 and 1,261.96 is: 1,741.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923.36 : 2,654.32 = 1,261.96 : x
  2. Step 2: Convert to fraction form
    1,923.36/2,654.32 = 1,261.96/x
  3. Step 3: Cross multiply
    1,923.36x = 2,654.32 × 1,261.96
  4. Step 4: Simplify right side
    1,923.36x = 3,349,645.67
  5. Step 5: Solve for x
    x = 3,349,645.67/1,923.36
  6. Step 6: Final answer
    x = 1,741.56

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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.