Home / 4,219.19-5,822.42-2,330.78

Finding the Fourth Proportional to 4,219.19, 5,822.42 and 2,330.78

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Solution

The fourth proportional to 4,219.19, 5,822.42 and 2,330.78 is: 3,216.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,219.19 : 5,822.42 = 2,330.78 : x
  2. Step 2: Convert to fraction form
    4,219.19/5,822.42 = 2,330.78/x
  3. Step 3: Cross multiply
    4,219.19x = 5,822.42 × 2,330.78
  4. Step 4: Simplify right side
    4,219.19x = 13,570,739.32
  5. Step 5: Solve for x
    x = 13,570,739.32/4,219.19
  6. Step 6: Final answer
    x = 3,216.43

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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.