Home / 3,828.58-5,742.19-1,054.58

Finding the Fourth Proportional to 3,828.58, 5,742.19 and 1,054.58

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Solution

The fourth proportional to 3,828.58, 5,742.19 and 1,054.58 is: 1,581.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828.58 : 5,742.19 = 1,054.58 : x
  2. Step 2: Convert to fraction form
    3,828.58/5,742.19 = 1,054.58/x
  3. Step 3: Cross multiply
    3,828.58x = 5,742.19 × 1,054.58
  4. Step 4: Simplify right side
    3,828.58x = 6,055,598.73
  5. Step 5: Solve for x
    x = 6,055,598.73/3,828.58
  6. Step 6: Final answer
    x = 1,581.68

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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.