Home / 3,012.60-4,541.46-2,811.90

Finding the Fourth Proportional to 3,012.60, 4,541.46 and 2,811.90

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Solution

The fourth proportional to 3,012.60, 4,541.46 and 2,811.90 is: 4,238.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012.60 : 4,541.46 = 2,811.90 : x
  2. Step 2: Convert to fraction form
    3,012.60/4,541.46 = 2,811.90/x
  3. Step 3: Cross multiply
    3,012.60x = 4,541.46 × 2,811.90
  4. Step 4: Simplify right side
    3,012.60x = 12,770,131.37
  5. Step 5: Solve for x
    x = 12,770,131.37/3,012.60
  6. Step 6: Final answer
    x = 4,238.91

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.