Home / 2,459.10-3,396.31-1,906.25

Finding the Fourth Proportional to 2,459.10, 3,396.31 and 1,906.25

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Solution

The fourth proportional to 2,459.10, 3,396.31 and 1,906.25 is: 2,632.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,459.10 : 3,396.31 = 1,906.25 : x
  2. Step 2: Convert to fraction form
    2,459.10/3,396.31 = 1,906.25/x
  3. Step 3: Cross multiply
    2,459.10x = 3,396.31 × 1,906.25
  4. Step 4: Simplify right side
    2,459.10x = 6,474,215.94
  5. Step 5: Solve for x
    x = 6,474,215.94/2,459.10
  6. Step 6: Final answer
    x = 2,632.76

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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.