Home / 2,927.06-4,390.60-1,172.85

Finding the Fourth Proportional to 2,927.06, 4,390.60 and 1,172.85

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Solution

The fourth proportional to 2,927.06, 4,390.60 and 1,172.85 is: 1,759.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.06 : 4,390.60 = 1,172.85 : x
  2. Step 2: Convert to fraction form
    2,927.06/4,390.60 = 1,172.85/x
  3. Step 3: Cross multiply
    2,927.06x = 4,390.60 × 1,172.85
  4. Step 4: Simplify right side
    2,927.06x = 5,149,515.21
  5. Step 5: Solve for x
    x = 5,149,515.21/2,927.06
  6. Step 6: Final answer
    x = 1,759.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.