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Finding the Fourth Proportional to 1,959.45, 2,938.36 and 833.23

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Solution

The fourth proportional to 1,959.45, 2,938.36 and 833.23 is: 1,249.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,959.45 : 2,938.36 = 833.23 : x
  2. Step 2: Convert to fraction form
    1,959.45/2,938.36 = 833.23/x
  3. Step 3: Cross multiply
    1,959.45x = 2,938.36 × 833.23
  4. Step 4: Simplify right side
    1,959.45x = 2,448,329.70
  5. Step 5: Solve for x
    x = 2,448,329.70/1,959.45
  6. Step 6: Final answer
    x = 1,249.50

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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.