Home / 1,634.82-2,256.12-936.24

Finding the Fourth Proportional to 1,634.82, 2,256.12 and 936.24

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Solution

The fourth proportional to 1,634.82, 2,256.12 and 936.24 is: 1,292.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,634.82 : 2,256.12 = 936.24 : x
  2. Step 2: Convert to fraction form
    1,634.82/2,256.12 = 936.24/x
  3. Step 3: Cross multiply
    1,634.82x = 2,256.12 × 936.24
  4. Step 4: Simplify right side
    1,634.82x = 2,112,269.79
  5. Step 5: Solve for x
    x = 2,112,269.79/1,634.82
  6. Step 6: Final answer
    x = 1,292.05

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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.