Home / 3,150.62-4,345.57-1,956.28

Finding the Fourth Proportional to 3,150.62, 4,345.57 and 1,956.28

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Solution

The fourth proportional to 3,150.62, 4,345.57 and 1,956.28 is: 2,698.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150.62 : 4,345.57 = 1,956.28 : x
  2. Step 2: Convert to fraction form
    3,150.62/4,345.57 = 1,956.28/x
  3. Step 3: Cross multiply
    3,150.62x = 4,345.57 × 1,956.28
  4. Step 4: Simplify right side
    3,150.62x = 8,501,151.68
  5. Step 5: Solve for x
    x = 8,501,151.68/3,150.62
  6. Step 6: Final answer
    x = 2,698.25

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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.