Home / 3,012.30-4,518.45-1,845.90

Finding the Fourth Proportional to 3,012.30, 4,518.45 and 1,845.90

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Solution

The fourth proportional to 3,012.30, 4,518.45 and 1,845.90 is: 2,768.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012.30 : 4,518.45 = 1,845.90 : x
  2. Step 2: Convert to fraction form
    3,012.30/4,518.45 = 1,845.90/x
  3. Step 3: Cross multiply
    3,012.30x = 4,518.45 × 1,845.90
  4. Step 4: Simplify right side
    3,012.30x = 8,340,606.86
  5. Step 5: Solve for x
    x = 8,340,606.86/3,012.30
  6. Step 6: Final answer
    x = 2,768.85

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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.