Home / 3,636.75-5,455.84-1,296.93

Finding the Fourth Proportional to 3,636.75, 5,455.84 and 1,296.93

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Solution

The fourth proportional to 3,636.75, 5,455.84 and 1,296.93 is: 1,945.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,636.75 : 5,455.84 = 1,296.93 : x
  2. Step 2: Convert to fraction form
    3,636.75/5,455.84 = 1,296.93/x
  3. Step 3: Cross multiply
    3,636.75x = 5,455.84 × 1,296.93
  4. Step 4: Simplify right side
    3,636.75x = 7,075,842.57
  5. Step 5: Solve for x
    x = 7,075,842.57/3,636.75
  6. Step 6: Final answer
    x = 1,945.65

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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.