Home / 2,265.93-3,393.14-1,290.33

Finding the Fourth Proportional to 2,265.93, 3,393.14 and 1,290.33

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Solution

The fourth proportional to 2,265.93, 3,393.14 and 1,290.33 is: 1,932.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,265.93 : 3,393.14 = 1,290.33 : x
  2. Step 2: Convert to fraction form
    2,265.93/3,393.14 = 1,290.33/x
  3. Step 3: Cross multiply
    2,265.93x = 3,393.14 × 1,290.33
  4. Step 4: Simplify right side
    2,265.93x = 4,378,263.88
  5. Step 5: Solve for x
    x = 4,378,263.88/2,265.93
  6. Step 6: Final answer
    x = 1,932.21

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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.