Home / 3,012.48-4,157.82-1,951.56

Finding the Fourth Proportional to 3,012.48, 4,157.82 and 1,951.56

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Solution

The fourth proportional to 3,012.48, 4,157.82 and 1,951.56 is: 2,693.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012.48 : 4,157.82 = 1,951.56 : x
  2. Step 2: Convert to fraction form
    3,012.48/4,157.82 = 1,951.56/x
  3. Step 3: Cross multiply
    3,012.48x = 4,157.82 × 1,951.56
  4. Step 4: Simplify right side
    3,012.48x = 8,114,235.20
  5. Step 5: Solve for x
    x = 8,114,235.20/3,012.48
  6. Step 6: Final answer
    x = 2,693.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.