Home / 1,971.36-2,702.12-1,944.08

Finding the Fourth Proportional to 1,971.36, 2,702.12 and 1,944.08

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Solution

The fourth proportional to 1,971.36, 2,702.12 and 1,944.08 is: 2,664.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971.36 : 2,702.12 = 1,944.08 : x
  2. Step 2: Convert to fraction form
    1,971.36/2,702.12 = 1,944.08/x
  3. Step 3: Cross multiply
    1,971.36x = 2,702.12 × 1,944.08
  4. Step 4: Simplify right side
    1,971.36x = 5,253,137.45
  5. Step 5: Solve for x
    x = 5,253,137.45/1,971.36
  6. Step 6: Final answer
    x = 2,664.73

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.