Home / 1,941.12-2,908.80-1,208.48

Finding the Fourth Proportional to 1,941.12, 2,908.80 and 1,208.48

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Solution

The fourth proportional to 1,941.12, 2,908.80 and 1,208.48 is: 1,810.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941.12 : 2,908.80 = 1,208.48 : x
  2. Step 2: Convert to fraction form
    1,941.12/2,908.80 = 1,208.48/x
  3. Step 3: Cross multiply
    1,941.12x = 2,908.80 × 1,208.48
  4. Step 4: Simplify right side
    1,941.12x = 3,515,226.62
  5. Step 5: Solve for x
    x = 3,515,226.62/1,941.12
  6. Step 6: Final answer
    x = 1,810.93

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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.