Home / 1,908.83-2,634.73-1,163.09

Finding the Fourth Proportional to 1,908.83, 2,634.73 and 1,163.09

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Solution

The fourth proportional to 1,908.83, 2,634.73 and 1,163.09 is: 1,605.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908.83 : 2,634.73 = 1,163.09 : x
  2. Step 2: Convert to fraction form
    1,908.83/2,634.73 = 1,163.09/x
  3. Step 3: Cross multiply
    1,908.83x = 2,634.73 × 1,163.09
  4. Step 4: Simplify right side
    1,908.83x = 3,064,431.79
  5. Step 5: Solve for x
    x = 3,064,431.79/1,908.83
  6. Step 6: Final answer
    x = 1,605.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.