Home / 2,775.44-4,155.96-2,196.56

Finding the Fourth Proportional to 2,775.44, 4,155.96 and 2,196.56

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Solution

The fourth proportional to 2,775.44, 4,155.96 and 2,196.56 is: 3,289.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775.44 : 4,155.96 = 2,196.56 : x
  2. Step 2: Convert to fraction form
    2,775.44/4,155.96 = 2,196.56/x
  3. Step 3: Cross multiply
    2,775.44x = 4,155.96 × 2,196.56
  4. Step 4: Simplify right side
    2,775.44x = 9,128,815.50
  5. Step 5: Solve for x
    x = 9,128,815.50/2,775.44
  6. Step 6: Final answer
    x = 3,289.14

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1.5x scale

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.