Home / 3,683.45-5,525.36-1,218.49

Finding the Fourth Proportional to 3,683.45, 5,525.36 and 1,218.49

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Solution

The fourth proportional to 3,683.45, 5,525.36 and 1,218.49 is: 1,827.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,683.45 : 5,525.36 = 1,218.49 : x
  2. Step 2: Convert to fraction form
    3,683.45/5,525.36 = 1,218.49/x
  3. Step 3: Cross multiply
    3,683.45x = 5,525.36 × 1,218.49
  4. Step 4: Simplify right side
    3,683.45x = 6,732,595.91
  5. Step 5: Solve for x
    x = 6,732,595.91/3,683.45
  6. Step 6: Final answer
    x = 1,827.80

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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.