Home / 1,228.14-1,841.67-741.33

Finding the Fourth Proportional to 1,228.14, 1,841.67 and 741.33

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Solution

The fourth proportional to 1,228.14, 1,841.67 and 741.33 is: 1,111.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228.14 : 1,841.67 = 741.33 : x
  2. Step 2: Convert to fraction form
    1,228.14/1,841.67 = 741.33/x
  3. Step 3: Cross multiply
    1,228.14x = 1,841.67 × 741.33
  4. Step 4: Simplify right side
    1,228.14x = 1,365,285.22
  5. Step 5: Solve for x
    x = 1,365,285.22/1,228.14
  6. Step 6: Final answer
    x = 1,111.67

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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.