Home / 2,683.04-4,021.44-1,038.80

Finding the Fourth Proportional to 2,683.04, 4,021.44 and 1,038.80

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Solution

The fourth proportional to 2,683.04, 4,021.44 and 1,038.80 is: 1,556.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,683.04 : 4,021.44 = 1,038.80 : x
  2. Step 2: Convert to fraction form
    2,683.04/4,021.44 = 1,038.80/x
  3. Step 3: Cross multiply
    2,683.04x = 4,021.44 × 1,038.80
  4. Step 4: Simplify right side
    2,683.04x = 4,177,471.87
  5. Step 5: Solve for x
    x = 4,177,471.87/2,683.04
  6. Step 6: Final answer
    x = 1,556.99

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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.