Home / 2,015.13-3,022.37-553.95

Finding the Fourth Proportional to 2,015.13, 3,022.37 and 553.95

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Solution

The fourth proportional to 2,015.13, 3,022.37 and 553.95 is: 830.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015.13 : 3,022.37 = 553.95 : x
  2. Step 2: Convert to fraction form
    2,015.13/3,022.37 = 553.95/x
  3. Step 3: Cross multiply
    2,015.13x = 3,022.37 × 553.95
  4. Step 4: Simplify right side
    2,015.13x = 1,674,239.09
  5. Step 5: Solve for x
    x = 1,674,239.09/2,015.13
  6. Step 6: Final answer
    x = 830.83

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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.