Home / 1,958.41-2,702.87-1,261.81

Finding the Fourth Proportional to 1,958.41, 2,702.87 and 1,261.81

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Solution

The fourth proportional to 1,958.41, 2,702.87 and 1,261.81 is: 1,741.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,958.41 : 2,702.87 = 1,261.81 : x
  2. Step 2: Convert to fraction form
    1,958.41/2,702.87 = 1,261.81/x
  3. Step 3: Cross multiply
    1,958.41x = 2,702.87 × 1,261.81
  4. Step 4: Simplify right side
    1,958.41x = 3,410,508.39
  5. Step 5: Solve for x
    x = 3,410,508.39/1,958.41
  6. Step 6: Final answer
    x = 1,741.47

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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.