Home / 3,300.94-4,956.35-2,857.58

Finding the Fourth Proportional to 3,300.94, 4,956.35 and 2,857.58

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Solution

The fourth proportional to 3,300.94, 4,956.35 and 2,857.58 is: 4,290.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,300.94 : 4,956.35 = 2,857.58 : x
  2. Step 2: Convert to fraction form
    3,300.94/4,956.35 = 2,857.58/x
  3. Step 3: Cross multiply
    3,300.94x = 4,956.35 × 2,857.58
  4. Step 4: Simplify right side
    3,300.94x = 14,163,166.63
  5. Step 5: Solve for x
    x = 14,163,166.63/3,300.94
  6. Step 6: Final answer
    x = 4,290.65

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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.