Home / 3,628.77-5,443.08-1,163.78

Finding the Fourth Proportional to 3,628.77, 5,443.08 and 1,163.78

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Solution

The fourth proportional to 3,628.77, 5,443.08 and 1,163.78 is: 1,745.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,628.77 : 5,443.08 = 1,163.78 : x
  2. Step 2: Convert to fraction form
    3,628.77/5,443.08 = 1,163.78/x
  3. Step 3: Cross multiply
    3,628.77x = 5,443.08 × 1,163.78
  4. Step 4: Simplify right side
    3,628.77x = 6,334,547.64
  5. Step 5: Solve for x
    x = 6,334,547.64/3,628.77
  6. Step 6: Final answer
    x = 1,745.65

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1.5x scale

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.