Home / 1,361.61-1,877.58-1,250.64

Finding the Fourth Proportional to 1,361.61, 1,877.58 and 1,250.64

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Solution

The fourth proportional to 1,361.61, 1,877.58 and 1,250.64 is: 1,724.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361.61 : 1,877.58 = 1,250.64 : x
  2. Step 2: Convert to fraction form
    1,361.61/1,877.58 = 1,250.64/x
  3. Step 3: Cross multiply
    1,361.61x = 1,877.58 × 1,250.64
  4. Step 4: Simplify right side
    1,361.61x = 2,348,176.65
  5. Step 5: Solve for x
    x = 2,348,176.65/1,361.61
  6. Step 6: Final answer
    x = 1,724.56

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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.