Home / 1,859.38-2,563.72-1,361.84

Finding the Fourth Proportional to 1,859.38, 2,563.72 and 1,361.84

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Solution

The fourth proportional to 1,859.38, 2,563.72 and 1,361.84 is: 1,877.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859.38 : 2,563.72 = 1,361.84 : x
  2. Step 2: Convert to fraction form
    1,859.38/2,563.72 = 1,361.84/x
  3. Step 3: Cross multiply
    1,859.38x = 2,563.72 × 1,361.84
  4. Step 4: Simplify right side
    1,859.38x = 3,491,360.22
  5. Step 5: Solve for x
    x = 3,491,360.22/1,859.38
  6. Step 6: Final answer
    x = 1,877.70

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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.