Home / 3,322.78-4,585.23-1,996.18

Finding the Fourth Proportional to 3,322.78, 4,585.23 and 1,996.18

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Solution

The fourth proportional to 3,322.78, 4,585.23 and 1,996.18 is: 2,754.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,322.78 : 4,585.23 = 1,996.18 : x
  2. Step 2: Convert to fraction form
    3,322.78/4,585.23 = 1,996.18/x
  3. Step 3: Cross multiply
    3,322.78x = 4,585.23 × 1,996.18
  4. Step 4: Simplify right side
    3,322.78x = 9,152,944.42
  5. Step 5: Solve for x
    x = 9,152,944.42/3,322.78
  6. Step 6: Final answer
    x = 2,754.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.