Home / 3,104.28-4,283.90-1,777.94

Finding the Fourth Proportional to 3,104.28, 4,283.90 and 1,777.94

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Solution

The fourth proportional to 3,104.28, 4,283.90 and 1,777.94 is: 2,453.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,104.28 : 4,283.90 = 1,777.94 : x
  2. Step 2: Convert to fraction form
    3,104.28/4,283.90 = 1,777.94/x
  3. Step 3: Cross multiply
    3,104.28x = 4,283.90 × 1,777.94
  4. Step 4: Simplify right side
    3,104.28x = 7,616,517.17
  5. Step 5: Solve for x
    x = 7,616,517.17/3,104.28
  6. Step 6: Final answer
    x = 2,453.55

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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.