Home / 3,223.84-4,835.76-2,857.72

Finding the Fourth Proportional to 3,223.84, 4,835.76 and 2,857.72

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Solution

The fourth proportional to 3,223.84, 4,835.76 and 2,857.72 is: 4,286.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,223.84 : 4,835.76 = 2,857.72 : x
  2. Step 2: Convert to fraction form
    3,223.84/4,835.76 = 2,857.72/x
  3. Step 3: Cross multiply
    3,223.84x = 4,835.76 × 2,857.72
  4. Step 4: Simplify right side
    3,223.84x = 13,819,248.07
  5. Step 5: Solve for x
    x = 13,819,248.07/3,223.84
  6. Step 6: Final answer
    x = 4,286.58

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1.5x scale

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.