Home / 1,365.26-2,046.62-1,245.02

Finding the Fourth Proportional to 1,365.26, 2,046.62 and 1,245.02

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Solution

The fourth proportional to 1,365.26, 2,046.62 and 1,245.02 is: 1,866.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365.26 : 2,046.62 = 1,245.02 : x
  2. Step 2: Convert to fraction form
    1,365.26/2,046.62 = 1,245.02/x
  3. Step 3: Cross multiply
    1,365.26x = 2,046.62 × 1,245.02
  4. Step 4: Simplify right side
    1,365.26x = 2,548,082.83
  5. Step 5: Solve for x
    x = 2,548,082.83/1,365.26
  6. Step 6: Final answer
    x = 1,866.37

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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.