Home / 2,803.36-4,219.66-2,380.54

Finding the Fourth Proportional to 2,803.36, 4,219.66 and 2,380.54

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Solution

The fourth proportional to 2,803.36, 4,219.66 and 2,380.54 is: 3,583.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,803.36 : 4,219.66 = 2,380.54 : x
  2. Step 2: Convert to fraction form
    2,803.36/4,219.66 = 2,380.54/x
  3. Step 3: Cross multiply
    2,803.36x = 4,219.66 × 2,380.54
  4. Step 4: Simplify right side
    2,803.36x = 10,045,069.42
  5. Step 5: Solve for x
    x = 10,045,069.42/2,803.36
  6. Step 6: Final answer
    x = 3,583.22

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1.5x scale

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.