Home / 1,830.42-2,745.30-1,170.34

Finding the Fourth Proportional to 1,830.42, 2,745.30 and 1,170.34

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Solution

The fourth proportional to 1,830.42, 2,745.30 and 1,170.34 is: 1,755.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,830.42 : 2,745.30 = 1,170.34 : x
  2. Step 2: Convert to fraction form
    1,830.42/2,745.30 = 1,170.34/x
  3. Step 3: Cross multiply
    1,830.42x = 2,745.30 × 1,170.34
  4. Step 4: Simplify right side
    1,830.42x = 3,212,934.40
  5. Step 5: Solve for x
    x = 3,212,934.40/1,830.42
  6. Step 6: Final answer
    x = 1,755.30

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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.