Home / 3,826.34-5,283.09-2,940.74

Finding the Fourth Proportional to 3,826.34, 5,283.09 and 2,940.74

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Solution

The fourth proportional to 3,826.34, 5,283.09 and 2,940.74 is: 4,060.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,826.34 : 5,283.09 = 2,940.74 : x
  2. Step 2: Convert to fraction form
    3,826.34/5,283.09 = 2,940.74/x
  3. Step 3: Cross multiply
    3,826.34x = 5,283.09 × 2,940.74
  4. Step 4: Simplify right side
    3,826.34x = 15,536,194.09
  5. Step 5: Solve for x
    x = 15,536,194.09/3,826.34
  6. Step 6: Final answer
    x = 4,060.33

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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.