Home / 2,336.93-3,221.37-1,538.88

Finding the Fourth Proportional to 2,336.93, 3,221.37 and 1,538.88

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Solution

The fourth proportional to 2,336.93, 3,221.37 and 1,538.88 is: 2,121.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,336.93 : 3,221.37 = 1,538.88 : x
  2. Step 2: Convert to fraction form
    2,336.93/3,221.37 = 1,538.88/x
  3. Step 3: Cross multiply
    2,336.93x = 3,221.37 × 1,538.88
  4. Step 4: Simplify right side
    2,336.93x = 4,957,292.94
  5. Step 5: Solve for x
    x = 4,957,292.94/2,336.93
  6. Step 6: Final answer
    x = 2,121.28

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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.