Home / 2,356.26-3,251-1,361.30

Finding the Fourth Proportional to 2,356.26, 3,251 and 1,361.30

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Solution

The fourth proportional to 2,356.26, 3,251 and 1,361.30 is: 1,878.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,356.26 : 3,251 = 1,361.30 : x
  2. Step 2: Convert to fraction form
    2,356.26/3,251 = 1,361.30/x
  3. Step 3: Cross multiply
    2,356.26x = 3,251 × 1,361.30
  4. Step 4: Simplify right side
    2,356.26x = 4,425,586.30
  5. Step 5: Solve for x
    x = 4,425,586.30/2,356.26
  6. Step 6: Final answer
    x = 1,878.22

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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.