Home / 3,782.10-5,673.34-1,008.80

Finding the Fourth Proportional to 3,782.10, 5,673.34 and 1,008.80

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Solution

The fourth proportional to 3,782.10, 5,673.34 and 1,008.80 is: 1,513.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,782.10 : 5,673.34 = 1,008.80 : x
  2. Step 2: Convert to fraction form
    3,782.10/5,673.34 = 1,008.80/x
  3. Step 3: Cross multiply
    3,782.10x = 5,673.34 × 1,008.80
  4. Step 4: Simplify right side
    3,782.10x = 5,723,243.25
  5. Step 5: Solve for x
    x = 5,723,243.25/3,782.10
  6. Step 6: Final answer
    x = 1,513.24

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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.