Home / 3,385.80-5,076.95-1,194.21

Finding the Fourth Proportional to 3,385.80, 5,076.95 and 1,194.21

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Solution

The fourth proportional to 3,385.80, 5,076.95 and 1,194.21 is: 1,790.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,385.80 : 5,076.95 = 1,194.21 : x
  2. Step 2: Convert to fraction form
    3,385.80/5,076.95 = 1,194.21/x
  3. Step 3: Cross multiply
    3,385.80x = 5,076.95 × 1,194.21
  4. Step 4: Simplify right side
    3,385.80x = 6,062,938.49
  5. Step 5: Solve for x
    x = 6,062,938.49/3,385.80
  6. Step 6: Final answer
    x = 1,790.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.