Home / 4,812.85-7,219.60-2,039.18

Finding the Fourth Proportional to 4,812.85, 7,219.60 and 2,039.18

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Solution

The fourth proportional to 4,812.85, 7,219.60 and 2,039.18 is: 3,058.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.85 : 7,219.60 = 2,039.18 : x
  2. Step 2: Convert to fraction form
    4,812.85/7,219.60 = 2,039.18/x
  3. Step 3: Cross multiply
    4,812.85x = 7,219.60 × 2,039.18
  4. Step 4: Simplify right side
    4,812.85x = 14,722,022.73
  5. Step 5: Solve for x
    x = 14,722,022.73/4,812.85
  6. Step 6: Final answer
    x = 3,058.90

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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.