Home / 3,104.36-4,283.58-1,777.78

Finding the Fourth Proportional to 3,104.36, 4,283.58 and 1,777.78

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Solution

The fourth proportional to 3,104.36, 4,283.58 and 1,777.78 is: 2,453.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,104.36 : 4,283.58 = 1,777.78 : x
  2. Step 2: Convert to fraction form
    3,104.36/4,283.58 = 1,777.78/x
  3. Step 3: Cross multiply
    3,104.36x = 4,283.58 × 1,777.78
  4. Step 4: Simplify right side
    3,104.36x = 7,615,262.85
  5. Step 5: Solve for x
    x = 7,615,262.85/3,104.36
  6. Step 6: Final answer
    x = 2,453.09

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1.5x scale

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.