Home / 2,371.43-3,272.65-1,376.64

Finding the Fourth Proportional to 2,371.43, 3,272.65 and 1,376.64

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Solution

The fourth proportional to 2,371.43, 3,272.65 and 1,376.64 is: 1,899.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,371.43 : 3,272.65 = 1,376.64 : x
  2. Step 2: Convert to fraction form
    2,371.43/3,272.65 = 1,376.64/x
  3. Step 3: Cross multiply
    2,371.43x = 3,272.65 × 1,376.64
  4. Step 4: Simplify right side
    2,371.43x = 4,505,262.19
  5. Step 5: Solve for x
    x = 4,505,262.19/2,371.43
  6. Step 6: Final answer
    x = 1,899.81

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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.