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Finding the Fourth Proportional to 1,323.39, 1,826.30 and 733.92

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Solution

The fourth proportional to 1,323.39, 1,826.30 and 733.92 is: 1,012.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323.39 : 1,826.30 = 733.92 : x
  2. Step 2: Convert to fraction form
    1,323.39/1,826.30 = 733.92/x
  3. Step 3: Cross multiply
    1,323.39x = 1,826.30 × 733.92
  4. Step 4: Simplify right side
    1,323.39x = 1,340,358.10
  5. Step 5: Solve for x
    x = 1,340,358.10/1,323.39
  6. Step 6: Final answer
    x = 1,012.82

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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.