Home / 1,958.06-2,702.36-1,118.88

Finding the Fourth Proportional to 1,958.06, 2,702.36 and 1,118.88

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Solution

The fourth proportional to 1,958.06, 2,702.36 and 1,118.88 is: 1,544.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,958.06 : 2,702.36 = 1,118.88 : x
  2. Step 2: Convert to fraction form
    1,958.06/2,702.36 = 1,118.88/x
  3. Step 3: Cross multiply
    1,958.06x = 2,702.36 × 1,118.88
  4. Step 4: Simplify right side
    1,958.06x = 3,023,610.96
  5. Step 5: Solve for x
    x = 3,023,610.96/1,958.06
  6. Step 6: Final answer
    x = 1,544.19

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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.