Home / 3,315.64-4,974.77-1,367.38

Finding the Fourth Proportional to 3,315.64, 4,974.77 and 1,367.38

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Solution

The fourth proportional to 3,315.64, 4,974.77 and 1,367.38 is: 2,051.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315.64 : 4,974.77 = 1,367.38 : x
  2. Step 2: Convert to fraction form
    3,315.64/4,974.77 = 1,367.38/x
  3. Step 3: Cross multiply
    3,315.64x = 4,974.77 × 1,367.38
  4. Step 4: Simplify right side
    3,315.64x = 6,802,394.17
  5. Step 5: Solve for x
    x = 6,802,394.17/3,315.64
  6. Step 6: Final answer
    x = 2,051.61

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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.