Home / 3,683.80-5,524.90-1,218.04

Finding the Fourth Proportional to 3,683.80, 5,524.90 and 1,218.04

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Solution

The fourth proportional to 3,683.80, 5,524.90 and 1,218.04 is: 1,826.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,683.80 : 5,524.90 = 1,218.04 : x
  2. Step 2: Convert to fraction form
    3,683.80/5,524.90 = 1,218.04/x
  3. Step 3: Cross multiply
    3,683.80x = 5,524.90 × 1,218.04
  4. Step 4: Simplify right side
    3,683.80x = 6,729,549.20
  5. Step 5: Solve for x
    x = 6,729,549.20/3,683.80
  6. Step 6: Final answer
    x = 1,826.80

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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.