Home / 1,333.19-1,838.41-961.94

Finding the Fourth Proportional to 1,333.19, 1,838.41 and 961.94

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Solution

The fourth proportional to 1,333.19, 1,838.41 and 961.94 is: 1,326.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333.19 : 1,838.41 = 961.94 : x
  2. Step 2: Convert to fraction form
    1,333.19/1,838.41 = 961.94/x
  3. Step 3: Cross multiply
    1,333.19x = 1,838.41 × 961.94
  4. Step 4: Simplify right side
    1,333.19x = 1,768,428.52
  5. Step 5: Solve for x
    x = 1,768,428.52/1,333.19
  6. Step 6: Final answer
    x = 1,326.47

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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.