Home / 1,263.44-1,895.13-326.37

Finding the Fourth Proportional to 1,263.44, 1,895.13 and 326.37

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Solution

The fourth proportional to 1,263.44, 1,895.13 and 326.37 is: 489.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263.44 : 1,895.13 = 326.37 : x
  2. Step 2: Convert to fraction form
    1,263.44/1,895.13 = 326.37/x
  3. Step 3: Cross multiply
    1,263.44x = 1,895.13 × 326.37
  4. Step 4: Simplify right side
    1,263.44x = 618,513.58
  5. Step 5: Solve for x
    x = 618,513.58/1,263.44
  6. Step 6: Final answer
    x = 489.55

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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.