Home / 1,961.93-2,707.34-1,077.54

Finding the Fourth Proportional to 1,961.93, 2,707.34 and 1,077.54

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Solution

The fourth proportional to 1,961.93, 2,707.34 and 1,077.54 is: 1,486.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,961.93 : 2,707.34 = 1,077.54 : x
  2. Step 2: Convert to fraction form
    1,961.93/2,707.34 = 1,077.54/x
  3. Step 3: Cross multiply
    1,961.93x = 2,707.34 × 1,077.54
  4. Step 4: Simplify right side
    1,961.93x = 2,917,261.76
  5. Step 5: Solve for x
    x = 2,917,261.76/1,961.93
  6. Step 6: Final answer
    x = 1,486.94

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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.