Home / 3,322.95-4,585.69-1,906.70

Finding the Fourth Proportional to 3,322.95, 4,585.69 and 1,906.70

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Solution

The fourth proportional to 3,322.95, 4,585.69 and 1,906.70 is: 2,631.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,322.95 : 4,585.69 = 1,906.70 : x
  2. Step 2: Convert to fraction form
    3,322.95/4,585.69 = 1,906.70/x
  3. Step 3: Cross multiply
    3,322.95x = 4,585.69 × 1,906.70
  4. Step 4: Simplify right side
    3,322.95x = 8,743,512.19
  5. Step 5: Solve for x
    x = 8,743,512.19/3,322.95
  6. Step 6: Final answer
    x = 2,631.25

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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.