Home / 3,826.39-5,281.47-2,254.99

Finding the Fourth Proportional to 3,826.39, 5,281.47 and 2,254.99

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Solution

The fourth proportional to 3,826.39, 5,281.47 and 2,254.99 is: 3,112.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,826.39 : 5,281.47 = 2,254.99 : x
  2. Step 2: Convert to fraction form
    3,826.39/5,281.47 = 2,254.99/x
  3. Step 3: Cross multiply
    3,826.39x = 5,281.47 × 2,254.99
  4. Step 4: Simplify right side
    3,826.39x = 11,909,662.04
  5. Step 5: Solve for x
    x = 11,909,662.04/3,826.39
  6. Step 6: Final answer
    x = 3,112.51

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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.