Home / 3,677.13-5,515.70-1,830.53

Finding the Fourth Proportional to 3,677.13, 5,515.70 and 1,830.53

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Solution

The fourth proportional to 3,677.13, 5,515.70 and 1,830.53 is: 2,745.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,677.13 : 5,515.70 = 1,830.53 : x
  2. Step 2: Convert to fraction form
    3,677.13/5,515.70 = 1,830.53/x
  3. Step 3: Cross multiply
    3,677.13x = 5,515.70 × 1,830.53
  4. Step 4: Simplify right side
    3,677.13x = 10,096,658.96
  5. Step 5: Solve for x
    x = 10,096,658.96/3,677.13
  6. Step 6: Final answer
    x = 2,745.80

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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.