Home / 3,853.18-5,776.52-1,511.88

Finding the Fourth Proportional to 3,853.18, 5,776.52 and 1,511.88

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Solution

The fourth proportional to 3,853.18, 5,776.52 and 1,511.88 is: 2,266.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,853.18 : 5,776.52 = 1,511.88 : x
  2. Step 2: Convert to fraction form
    3,853.18/5,776.52 = 1,511.88/x
  3. Step 3: Cross multiply
    3,853.18x = 5,776.52 × 1,511.88
  4. Step 4: Simplify right side
    3,853.18x = 8,733,405.06
  5. Step 5: Solve for x
    x = 8,733,405.06/3,853.18
  6. Step 6: Final answer
    x = 2,266.54

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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.