Home / 3,384.08-5,075.86-1,191.27

Finding the Fourth Proportional to 3,384.08, 5,075.86 and 1,191.27

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Solution

The fourth proportional to 3,384.08, 5,075.86 and 1,191.27 is: 1,786.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,384.08 : 5,075.86 = 1,191.27 : x
  2. Step 2: Convert to fraction form
    3,384.08/5,075.86 = 1,191.27/x
  3. Step 3: Cross multiply
    3,384.08x = 5,075.86 × 1,191.27
  4. Step 4: Simplify right side
    3,384.08x = 6,046,719.74
  5. Step 5: Solve for x
    x = 6,046,719.74/3,384.08
  6. Step 6: Final answer
    x = 1,786.81

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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.