Home / 3,382.90-5,075.21-1,191.85

Finding the Fourth Proportional to 3,382.90, 5,075.21 and 1,191.85

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Solution

The fourth proportional to 3,382.90, 5,075.21 and 1,191.85 is: 1,788.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,382.90 : 5,075.21 = 1,191.85 : x
  2. Step 2: Convert to fraction form
    3,382.90/5,075.21 = 1,191.85/x
  3. Step 3: Cross multiply
    3,382.90x = 5,075.21 × 1,191.85
  4. Step 4: Simplify right side
    3,382.90x = 6,048,889.04
  5. Step 5: Solve for x
    x = 6,048,889.04/3,382.90
  6. Step 6: Final answer
    x = 1,788.08

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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.