Home / 3,284.45-4,921.11-1,983.19

Finding the Fourth Proportional to 3,284.45, 4,921.11 and 1,983.19

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Solution

The fourth proportional to 3,284.45, 4,921.11 and 1,983.19 is: 2,971.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,284.45 : 4,921.11 = 1,983.19 : x
  2. Step 2: Convert to fraction form
    3,284.45/4,921.11 = 1,983.19/x
  3. Step 3: Cross multiply
    3,284.45x = 4,921.11 × 1,983.19
  4. Step 4: Simplify right side
    3,284.45x = 9,759,483.84
  5. Step 5: Solve for x
    x = 9,759,483.84/3,284.45
  6. Step 6: Final answer
    x = 2,971.42

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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.