Home / 3,172.07-4,377.49-1,774.82

Finding the Fourth Proportional to 3,172.07, 4,377.49 and 1,774.82

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Solution

The fourth proportional to 3,172.07, 4,377.49 and 1,774.82 is: 2,449.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172.07 : 4,377.49 = 1,774.82 : x
  2. Step 2: Convert to fraction form
    3,172.07/4,377.49 = 1,774.82/x
  3. Step 3: Cross multiply
    3,172.07x = 4,377.49 × 1,774.82
  4. Step 4: Simplify right side
    3,172.07x = 7,769,263.31
  5. Step 5: Solve for x
    x = 7,769,263.31/3,172.07
  6. Step 6: Final answer
    x = 2,449.27

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.