Home / 3,323.45-4,945.95-3,212.72

Finding the Fourth Proportional to 3,323.45, 4,945.95 and 3,212.72

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Solution

The fourth proportional to 3,323.45, 4,945.95 and 3,212.72 is: 4,781.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,323.45 : 4,945.95 = 3,212.72 : x
  2. Step 2: Convert to fraction form
    3,323.45/4,945.95 = 3,212.72/x
  3. Step 3: Cross multiply
    3,323.45x = 4,945.95 × 3,212.72
  4. Step 4: Simplify right side
    3,323.45x = 15,889,936.42
  5. Step 5: Solve for x
    x = 15,889,936.42/3,323.45
  6. Step 6: Final answer
    x = 4,781.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.