Home / 3,383.15-5,075.50-1,191.89

Finding the Fourth Proportional to 3,383.15, 5,075.50 and 1,191.89

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Solution

The fourth proportional to 3,383.15, 5,075.50 and 1,191.89 is: 1,788.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,383.15 : 5,075.50 = 1,191.89 : x
  2. Step 2: Convert to fraction form
    3,383.15/5,075.50 = 1,191.89/x
  3. Step 3: Cross multiply
    3,383.15x = 5,075.50 × 1,191.89
  4. Step 4: Simplify right side
    3,383.15x = 6,049,447.40
  5. Step 5: Solve for x
    x = 6,049,447.40/3,383.15
  6. Step 6: Final answer
    x = 1,788.11

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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.