Home / 2,775.08-4,162.62-1,386.33

Finding the Fourth Proportional to 2,775.08, 4,162.62 and 1,386.33

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Solution

The fourth proportional to 2,775.08, 4,162.62 and 1,386.33 is: 2,079.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775.08 : 4,162.62 = 1,386.33 : x
  2. Step 2: Convert to fraction form
    2,775.08/4,162.62 = 1,386.33/x
  3. Step 3: Cross multiply
    2,775.08x = 4,162.62 × 1,386.33
  4. Step 4: Simplify right side
    2,775.08x = 5,770,764.98
  5. Step 5: Solve for x
    x = 5,770,764.98/2,775.08
  6. Step 6: Final answer
    x = 2,079.50

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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.