Home / 2,072.44-2,859.72-1,188.04

Finding the Fourth Proportional to 2,072.44, 2,859.72 and 1,188.04

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Solution

The fourth proportional to 2,072.44, 2,859.72 and 1,188.04 is: 1,639.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072.44 : 2,859.72 = 1,188.04 : x
  2. Step 2: Convert to fraction form
    2,072.44/2,859.72 = 1,188.04/x
  3. Step 3: Cross multiply
    2,072.44x = 2,859.72 × 1,188.04
  4. Step 4: Simplify right side
    2,072.44x = 3,397,461.75
  5. Step 5: Solve for x
    x = 3,397,461.75/2,072.44
  6. Step 6: Final answer
    x = 1,639.35

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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.