Home / 3,315.33-4,983.93-2,768.58

Finding the Fourth Proportional to 3,315.33, 4,983.93 and 2,768.58

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Solution

The fourth proportional to 3,315.33, 4,983.93 and 2,768.58 is: 4,162.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315.33 : 4,983.93 = 2,768.58 : x
  2. Step 2: Convert to fraction form
    3,315.33/4,983.93 = 2,768.58/x
  3. Step 3: Cross multiply
    3,315.33x = 4,983.93 × 2,768.58
  4. Step 4: Simplify right side
    3,315.33x = 13,798,408.92
  5. Step 5: Solve for x
    x = 13,798,408.92/3,315.33
  6. Step 6: Final answer
    x = 4,162.00

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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.