Home / 1,299.09-1,945.80-1,197.93

Finding the Fourth Proportional to 1,299.09, 1,945.80 and 1,197.93

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Solution

The fourth proportional to 1,299.09, 1,945.80 and 1,197.93 is: 1,794.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299.09 : 1,945.80 = 1,197.93 : x
  2. Step 2: Convert to fraction form
    1,299.09/1,945.80 = 1,197.93/x
  3. Step 3: Cross multiply
    1,299.09x = 1,945.80 × 1,197.93
  4. Step 4: Simplify right side
    1,299.09x = 2,330,932.19
  5. Step 5: Solve for x
    x = 2,330,932.19/1,299.09
  6. Step 6: Final answer
    x = 1,794.28

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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.