Home / 1,971.36-2,944.26-1,560.96

Finding the Fourth Proportional to 1,971.36, 2,944.26 and 1,560.96

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Solution

The fourth proportional to 1,971.36, 2,944.26 and 1,560.96 is: 2,331.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971.36 : 2,944.26 = 1,560.96 : x
  2. Step 2: Convert to fraction form
    1,971.36/2,944.26 = 1,560.96/x
  3. Step 3: Cross multiply
    1,971.36x = 2,944.26 × 1,560.96
  4. Step 4: Simplify right side
    1,971.36x = 4,595,872.09
  5. Step 5: Solve for x
    x = 4,595,872.09/1,971.36
  6. Step 6: Final answer
    x = 2,331.32

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.