Home / 3,826.41-5,281.10-2,254.80

Finding the Fourth Proportional to 3,826.41, 5,281.10 and 2,254.80

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Solution

The fourth proportional to 3,826.41, 5,281.10 and 2,254.80 is: 3,112.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,826.41 : 5,281.10 = 2,254.80 : x
  2. Step 2: Convert to fraction form
    3,826.41/5,281.10 = 2,254.80/x
  3. Step 3: Cross multiply
    3,826.41x = 5,281.10 × 2,254.80
  4. Step 4: Simplify right side
    3,826.41x = 11,907,824.28
  5. Step 5: Solve for x
    x = 11,907,824.28/3,826.41
  6. Step 6: Final answer
    x = 3,112.01

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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.