Home / 1,941.06-2,911.58-480.22

Finding the Fourth Proportional to 1,941.06, 2,911.58 and 480.22

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Solution

The fourth proportional to 1,941.06, 2,911.58 and 480.22 is: 720.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941.06 : 2,911.58 = 480.22 : x
  2. Step 2: Convert to fraction form
    1,941.06/2,911.58 = 480.22/x
  3. Step 3: Cross multiply
    1,941.06x = 2,911.58 × 480.22
  4. Step 4: Simplify right side
    1,941.06x = 1,398,198.95
  5. Step 5: Solve for x
    x = 1,398,198.95/1,941.06
  6. Step 6: Final answer
    x = 720.33

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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.