Home / 1,660.56-2,295.72-1,245.84

Finding the Fourth Proportional to 1,660.56, 2,295.72 and 1,245.84

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Solution

The fourth proportional to 1,660.56, 2,295.72 and 1,245.84 is: 1,722.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660.56 : 2,295.72 = 1,245.84 : x
  2. Step 2: Convert to fraction form
    1,660.56/2,295.72 = 1,245.84/x
  3. Step 3: Cross multiply
    1,660.56x = 2,295.72 × 1,245.84
  4. Step 4: Simplify right side
    1,660.56x = 2,860,099.80
  5. Step 5: Solve for x
    x = 2,860,099.80/1,660.56
  6. Step 6: Final answer
    x = 1,722.37

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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.