Home / 2,940.41-4,057.76-1,762.16

Finding the Fourth Proportional to 2,940.41, 4,057.76 and 1,762.16

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Solution

The fourth proportional to 2,940.41, 4,057.76 and 1,762.16 is: 2,431.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940.41 : 4,057.76 = 1,762.16 : x
  2. Step 2: Convert to fraction form
    2,940.41/4,057.76 = 1,762.16/x
  3. Step 3: Cross multiply
    2,940.41x = 4,057.76 × 1,762.16
  4. Step 4: Simplify right side
    2,940.41x = 7,150,422.36
  5. Step 5: Solve for x
    x = 7,150,422.36/2,940.41
  6. Step 6: Final answer
    x = 2,431.78

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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.