Home / 1,459.51-2,183.78-1,380.38

Finding the Fourth Proportional to 1,459.51, 2,183.78 and 1,380.38

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Solution

The fourth proportional to 1,459.51, 2,183.78 and 1,380.38 is: 2,065.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459.51 : 2,183.78 = 1,380.38 : x
  2. Step 2: Convert to fraction form
    1,459.51/2,183.78 = 1,380.38/x
  3. Step 3: Cross multiply
    1,459.51x = 2,183.78 × 1,380.38
  4. Step 4: Simplify right side
    1,459.51x = 3,014,455.15
  5. Step 5: Solve for x
    x = 3,014,455.15/1,459.51
  6. Step 6: Final answer
    x = 2,065.39

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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.