Home / 3,383.70-5,075.56-1,191.92

Finding the Fourth Proportional to 3,383.70, 5,075.56 and 1,191.92

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Solution

The fourth proportional to 3,383.70, 5,075.56 and 1,191.92 is: 1,787.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,383.70 : 5,075.56 = 1,191.92 : x
  2. Step 2: Convert to fraction form
    3,383.70/5,075.56 = 1,191.92/x
  3. Step 3: Cross multiply
    3,383.70x = 5,075.56 × 1,191.92
  4. Step 4: Simplify right side
    3,383.70x = 6,049,661.48
  5. Step 5: Solve for x
    x = 6,049,661.48/3,383.70
  6. Step 6: Final answer
    x = 1,787.88

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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.