Home / 3,828.56-5,283.06-2,235.56

Finding the Fourth Proportional to 3,828.56, 5,283.06 and 2,235.56

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Solution

The fourth proportional to 3,828.56, 5,283.06 and 2,235.56 is: 3,084.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828.56 : 5,283.06 = 2,235.56 : x
  2. Step 2: Convert to fraction form
    3,828.56/5,283.06 = 2,235.56/x
  3. Step 3: Cross multiply
    3,828.56x = 5,283.06 × 2,235.56
  4. Step 4: Simplify right side
    3,828.56x = 11,810,597.61
  5. Step 5: Solve for x
    x = 11,810,597.61/3,828.56
  6. Step 6: Final answer
    x = 3,084.87

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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.