Home / 1,634.07-2,255.01-935.46

Finding the Fourth Proportional to 1,634.07, 2,255.01 and 935.46

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Solution

The fourth proportional to 1,634.07, 2,255.01 and 935.46 is: 1,290.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,634.07 : 2,255.01 = 935.46 : x
  2. Step 2: Convert to fraction form
    1,634.07/2,255.01 = 935.46/x
  3. Step 3: Cross multiply
    1,634.07x = 2,255.01 × 935.46
  4. Step 4: Simplify right side
    1,634.07x = 2,109,471.65
  5. Step 5: Solve for x
    x = 2,109,471.65/1,634.07
  6. Step 6: Final answer
    x = 1,290.93

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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.