Home / 3,124.72-4,684.83-1,481.14

Finding the Fourth Proportional to 3,124.72, 4,684.83 and 1,481.14

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Solution

The fourth proportional to 3,124.72, 4,684.83 and 1,481.14 is: 2,220.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.72 : 4,684.83 = 1,481.14 : x
  2. Step 2: Convert to fraction form
    3,124.72/4,684.83 = 1,481.14/x
  3. Step 3: Cross multiply
    3,124.72x = 4,684.83 × 1,481.14
  4. Step 4: Simplify right side
    3,124.72x = 6,938,889.11
  5. Step 5: Solve for x
    x = 6,938,889.11/3,124.72
  6. Step 6: Final answer
    x = 2,220.64

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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.