Home / 1,511.22-2,267.25-523.83

Finding the Fourth Proportional to 1,511.22, 2,267.25 and 523.83

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Solution

The fourth proportional to 1,511.22, 2,267.25 and 523.83 is: 785.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511.22 : 2,267.25 = 523.83 : x
  2. Step 2: Convert to fraction form
    1,511.22/2,267.25 = 523.83/x
  3. Step 3: Cross multiply
    1,511.22x = 2,267.25 × 523.83
  4. Step 4: Simplify right side
    1,511.22x = 1,187,653.57
  5. Step 5: Solve for x
    x = 1,187,653.57/1,511.22
  6. Step 6: Final answer
    x = 785.89

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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.