Home / 3,316.82-4,974.80-1,368.76

Finding the Fourth Proportional to 3,316.82, 4,974.80 and 1,368.76

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Solution

The fourth proportional to 3,316.82, 4,974.80 and 1,368.76 is: 2,052.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.82 : 4,974.80 = 1,368.76 : x
  2. Step 2: Convert to fraction form
    3,316.82/4,974.80 = 1,368.76/x
  3. Step 3: Cross multiply
    3,316.82x = 4,974.80 × 1,368.76
  4. Step 4: Simplify right side
    3,316.82x = 6,809,307.25
  5. Step 5: Solve for x
    x = 6,809,307.25/3,316.82
  6. Step 6: Final answer
    x = 2,052.96

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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.