Home / 1,942.49-2,680.08-1,197.02

Finding the Fourth Proportional to 1,942.49, 2,680.08 and 1,197.02

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Solution

The fourth proportional to 1,942.49, 2,680.08 and 1,197.02 is: 1,651.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942.49 : 2,680.08 = 1,197.02 : x
  2. Step 2: Convert to fraction form
    1,942.49/2,680.08 = 1,197.02/x
  3. Step 3: Cross multiply
    1,942.49x = 2,680.08 × 1,197.02
  4. Step 4: Simplify right side
    1,942.49x = 3,208,109.36
  5. Step 5: Solve for x
    x = 3,208,109.36/1,942.49
  6. Step 6: Final answer
    x = 1,651.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.