Home / 2,775.68-4,164.96-1,236.32

Finding the Fourth Proportional to 2,775.68, 4,164.96 and 1,236.32

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Solution

The fourth proportional to 2,775.68, 4,164.96 and 1,236.32 is: 1,855.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775.68 : 4,164.96 = 1,236.32 : x
  2. Step 2: Convert to fraction form
    2,775.68/4,164.96 = 1,236.32/x
  3. Step 3: Cross multiply
    2,775.68x = 4,164.96 × 1,236.32
  4. Step 4: Simplify right side
    2,775.68x = 5,149,223.35
  5. Step 5: Solve for x
    x = 5,149,223.35/2,775.68
  6. Step 6: Final answer
    x = 1,855.12

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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.