Home / 1,845.32-2,546.44-1,372.28

Finding the Fourth Proportional to 1,845.32, 2,546.44 and 1,372.28

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Solution

The fourth proportional to 1,845.32, 2,546.44 and 1,372.28 is: 1,893.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845.32 : 2,546.44 = 1,372.28 : x
  2. Step 2: Convert to fraction form
    1,845.32/2,546.44 = 1,372.28/x
  3. Step 3: Cross multiply
    1,845.32x = 2,546.44 × 1,372.28
  4. Step 4: Simplify right side
    1,845.32x = 3,494,412.52
  5. Step 5: Solve for x
    x = 3,494,412.52/1,845.32
  6. Step 6: Final answer
    x = 1,893.67

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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.