Home / 2,297.37-3,170.31-1,289.01

Finding the Fourth Proportional to 2,297.37, 3,170.31 and 1,289.01

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Solution

The fourth proportional to 2,297.37, 3,170.31 and 1,289.01 is: 1,778.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,297.37 : 3,170.31 = 1,289.01 : x
  2. Step 2: Convert to fraction form
    2,297.37/3,170.31 = 1,289.01/x
  3. Step 3: Cross multiply
    2,297.37x = 3,170.31 × 1,289.01
  4. Step 4: Simplify right side
    2,297.37x = 4,086,561.29
  5. Step 5: Solve for x
    x = 4,086,561.29/2,297.37
  6. Step 6: Final answer
    x = 1,778.80

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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.