Home / 3,840.31-5,298.24-2,246.46

Finding the Fourth Proportional to 3,840.31, 5,298.24 and 2,246.46

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Solution

The fourth proportional to 3,840.31, 5,298.24 and 2,246.46 is: 3,099.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840.31 : 5,298.24 = 2,246.46 : x
  2. Step 2: Convert to fraction form
    3,840.31/5,298.24 = 2,246.46/x
  3. Step 3: Cross multiply
    3,840.31x = 5,298.24 × 2,246.46
  4. Step 4: Simplify right side
    3,840.31x = 11,902,268.73
  5. Step 5: Solve for x
    x = 11,902,268.73/3,840.31
  6. Step 6: Final answer
    x = 3,099.30

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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.