Home / 1,455.19-2,183.13-481.26

Finding the Fourth Proportional to 1,455.19, 2,183.13 and 481.26

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Solution

The fourth proportional to 1,455.19, 2,183.13 and 481.26 is: 722.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455.19 : 2,183.13 = 481.26 : x
  2. Step 2: Convert to fraction form
    1,455.19/2,183.13 = 481.26/x
  3. Step 3: Cross multiply
    1,455.19x = 2,183.13 × 481.26
  4. Step 4: Simplify right side
    1,455.19x = 1,050,653.14
  5. Step 5: Solve for x
    x = 1,050,653.14/1,455.19
  6. Step 6: Final answer
    x = 722.00

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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.