Home / 3,826.25-5,278.43-2,409.29

Finding the Fourth Proportional to 3,826.25, 5,278.43 and 2,409.29

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Solution

The fourth proportional to 3,826.25, 5,278.43 and 2,409.29 is: 3,323.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,826.25 : 5,278.43 = 2,409.29 : x
  2. Step 2: Convert to fraction form
    3,826.25/5,278.43 = 2,409.29/x
  3. Step 3: Cross multiply
    3,826.25x = 5,278.43 × 2,409.29
  4. Step 4: Simplify right side
    3,826.25x = 12,717,230.18
  5. Step 5: Solve for x
    x = 12,717,230.18/3,826.25
  6. Step 6: Final answer
    x = 3,323.68

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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.