Home / 2,982.71-4,465.74-1,940.11

Finding the Fourth Proportional to 2,982.71, 4,465.74 and 1,940.11

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Solution

The fourth proportional to 2,982.71, 4,465.74 and 1,940.11 is: 2,904.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982.71 : 4,465.74 = 1,940.11 : x
  2. Step 2: Convert to fraction form
    2,982.71/4,465.74 = 1,940.11/x
  3. Step 3: Cross multiply
    2,982.71x = 4,465.74 × 1,940.11
  4. Step 4: Simplify right side
    2,982.71x = 8,664,026.83
  5. Step 5: Solve for x
    x = 8,664,026.83/2,982.71
  6. Step 6: Final answer
    x = 2,904.75

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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.