Home / 1,977.41-2,729.19-1,683.99

Finding the Fourth Proportional to 1,977.41, 2,729.19 and 1,683.99

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Solution

The fourth proportional to 1,977.41, 2,729.19 and 1,683.99 is: 2,324.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977.41 : 2,729.19 = 1,683.99 : x
  2. Step 2: Convert to fraction form
    1,977.41/2,729.19 = 1,683.99/x
  3. Step 3: Cross multiply
    1,977.41x = 2,729.19 × 1,683.99
  4. Step 4: Simplify right side
    1,977.41x = 4,595,934.98
  5. Step 5: Solve for x
    x = 4,595,934.98/1,977.41
  6. Step 6: Final answer
    x = 2,324.22

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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.