Home / 1,944.56-2,680.34-1,646.48

Finding the Fourth Proportional to 1,944.56, 2,680.34 and 1,646.48

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Solution

The fourth proportional to 1,944.56, 2,680.34 and 1,646.48 is: 2,269.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944.56 : 2,680.34 = 1,646.48 : x
  2. Step 2: Convert to fraction form
    1,944.56/2,680.34 = 1,646.48/x
  3. Step 3: Cross multiply
    1,944.56x = 2,680.34 × 1,646.48
  4. Step 4: Simplify right side
    1,944.56x = 4,413,126.20
  5. Step 5: Solve for x
    x = 4,413,126.20/1,944.56
  6. Step 6: Final answer
    x = 2,269.47

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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.