Home / 1,956.92-2,921.91-1,683.32

Finding the Fourth Proportional to 1,956.92, 2,921.91 and 1,683.32

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Solution

The fourth proportional to 1,956.92, 2,921.91 and 1,683.32 is: 2,513.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,956.92 : 2,921.91 = 1,683.32 : x
  2. Step 2: Convert to fraction form
    1,956.92/2,921.91 = 1,683.32/x
  3. Step 3: Cross multiply
    1,956.92x = 2,921.91 × 1,683.32
  4. Step 4: Simplify right side
    1,956.92x = 4,918,509.54
  5. Step 5: Solve for x
    x = 4,918,509.54/1,956.92
  6. Step 6: Final answer
    x = 2,513.39

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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.