Home / 2,778.88-4,163.52-1,476.40

Finding the Fourth Proportional to 2,778.88, 4,163.52 and 1,476.40

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Solution

The fourth proportional to 2,778.88, 4,163.52 and 1,476.40 is: 2,212.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778.88 : 4,163.52 = 1,476.40 : x
  2. Step 2: Convert to fraction form
    2,778.88/4,163.52 = 1,476.40/x
  3. Step 3: Cross multiply
    2,778.88x = 4,163.52 × 1,476.40
  4. Step 4: Simplify right side
    2,778.88x = 6,147,020.93
  5. Step 5: Solve for x
    x = 6,147,020.93/2,778.88
  6. Step 6: Final answer
    x = 2,212.05

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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.