Home / 2,389.44-3,297.16-1,341.28

Finding the Fourth Proportional to 2,389.44, 3,297.16 and 1,341.28

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Solution

The fourth proportional to 2,389.44, 3,297.16 and 1,341.28 is: 1,850.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389.44 : 3,297.16 = 1,341.28 : x
  2. Step 2: Convert to fraction form
    2,389.44/3,297.16 = 1,341.28/x
  3. Step 3: Cross multiply
    2,389.44x = 3,297.16 × 1,341.28
  4. Step 4: Simplify right side
    2,389.44x = 4,422,414.76
  5. Step 5: Solve for x
    x = 4,422,414.76/2,389.44
  6. Step 6: Final answer
    x = 1,850.82

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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.