Home / 1,665.74-2,299.25-1,076.27

Finding the Fourth Proportional to 1,665.74, 2,299.25 and 1,076.27

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Solution

The fourth proportional to 1,665.74, 2,299.25 and 1,076.27 is: 1,485.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665.74 : 2,299.25 = 1,076.27 : x
  2. Step 2: Convert to fraction form
    1,665.74/2,299.25 = 1,076.27/x
  3. Step 3: Cross multiply
    1,665.74x = 2,299.25 × 1,076.27
  4. Step 4: Simplify right side
    1,665.74x = 2,474,604.99
  5. Step 5: Solve for x
    x = 2,474,604.99/1,665.74
  6. Step 6: Final answer
    x = 1,485.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.