Home / 3,315.82-4,974.34-1,368.18

Finding the Fourth Proportional to 3,315.82, 4,974.34 and 1,368.18

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Solution

The fourth proportional to 3,315.82, 4,974.34 and 1,368.18 is: 2,052.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315.82 : 4,974.34 = 1,368.18 : x
  2. Step 2: Convert to fraction form
    3,315.82/4,974.34 = 1,368.18/x
  3. Step 3: Cross multiply
    3,315.82x = 4,974.34 × 1,368.18
  4. Step 4: Simplify right side
    3,315.82x = 6,805,792.50
  5. Step 5: Solve for x
    x = 6,805,792.50/3,315.82
  6. Step 6: Final answer
    x = 2,052.52

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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.