Home / 3,828.75-5,742.37-1,054.71

Finding the Fourth Proportional to 3,828.75, 5,742.37 and 1,054.71

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Solution

The fourth proportional to 3,828.75, 5,742.37 and 1,054.71 is: 1,581.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828.75 : 5,742.37 = 1,054.71 : x
  2. Step 2: Convert to fraction form
    3,828.75/5,742.37 = 1,054.71/x
  3. Step 3: Cross multiply
    3,828.75x = 5,742.37 × 1,054.71
  4. Step 4: Simplify right side
    3,828.75x = 6,056,535.06
  5. Step 5: Solve for x
    x = 6,056,535.06/3,828.75
  6. Step 6: Final answer
    x = 1,581.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.