Home / 1,333.70-2,004.83-1,236.63

Finding the Fourth Proportional to 1,333.70, 2,004.83 and 1,236.63

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Solution

The fourth proportional to 1,333.70, 2,004.83 and 1,236.63 is: 1,858.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333.70 : 2,004.83 = 1,236.63 : x
  2. Step 2: Convert to fraction form
    1,333.70/2,004.83 = 1,236.63/x
  3. Step 3: Cross multiply
    1,333.70x = 2,004.83 × 1,236.63
  4. Step 4: Simplify right side
    1,333.70x = 2,479,226.74
  5. Step 5: Solve for x
    x = 2,479,226.74/1,333.70
  6. Step 6: Final answer
    x = 1,858.92

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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.