Home / 2,653.23-3,976.40-1,091.46

Finding the Fourth Proportional to 2,653.23, 3,976.40 and 1,091.46

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Solution

The fourth proportional to 2,653.23, 3,976.40 and 1,091.46 is: 1,635.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,653.23 : 3,976.40 = 1,091.46 : x
  2. Step 2: Convert to fraction form
    2,653.23/3,976.40 = 1,091.46/x
  3. Step 3: Cross multiply
    2,653.23x = 3,976.40 × 1,091.46
  4. Step 4: Simplify right side
    2,653.23x = 4,340,073.75
  5. Step 5: Solve for x
    x = 4,340,073.75/2,653.23
  6. Step 6: Final answer
    x = 1,635.77

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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.