Home / 2,940.08-4,057.06-1,760.72

Finding the Fourth Proportional to 2,940.08, 4,057.06 and 1,760.72

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Solution

The fourth proportional to 2,940.08, 4,057.06 and 1,760.72 is: 2,429.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940.08 : 4,057.06 = 1,760.72 : x
  2. Step 2: Convert to fraction form
    2,940.08/4,057.06 = 1,760.72/x
  3. Step 3: Cross multiply
    2,940.08x = 4,057.06 × 1,760.72
  4. Step 4: Simplify right side
    2,940.08x = 7,143,346.68
  5. Step 5: Solve for x
    x = 7,143,346.68/2,940.08
  6. Step 6: Final answer
    x = 2,429.64

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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.