Home / 1,383.36-2,074.96-1,230.67

Finding the Fourth Proportional to 1,383.36, 2,074.96 and 1,230.67

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Solution

The fourth proportional to 1,383.36, 2,074.96 and 1,230.67 is: 1,845.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383.36 : 2,074.96 = 1,230.67 : x
  2. Step 2: Convert to fraction form
    1,383.36/2,074.96 = 1,230.67/x
  3. Step 3: Cross multiply
    1,383.36x = 2,074.96 × 1,230.67
  4. Step 4: Simplify right side
    1,383.36x = 2,553,591.02
  5. Step 5: Solve for x
    x = 2,553,591.02/1,383.36
  6. Step 6: Final answer
    x = 1,845.93

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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.