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Finding the Fourth Proportional to 1,323.37, 1,826.33 and 733.93

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Solution

The fourth proportional to 1,323.37, 1,826.33 and 733.93 is: 1,012.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323.37 : 1,826.33 = 733.93 : x
  2. Step 2: Convert to fraction form
    1,323.37/1,826.33 = 733.93/x
  3. Step 3: Cross multiply
    1,323.37x = 1,826.33 × 733.93
  4. Step 4: Simplify right side
    1,323.37x = 1,340,394.71
  5. Step 5: Solve for x
    x = 1,340,394.71/1,323.37
  6. Step 6: Final answer
    x = 1,012.86

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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.