Home / 2,747.08-3,790.62-1,567.84

Finding the Fourth Proportional to 2,747.08, 3,790.62 and 1,567.84

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Solution

The fourth proportional to 2,747.08, 3,790.62 and 1,567.84 is: 2,163.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,747.08 : 3,790.62 = 1,567.84 : x
  2. Step 2: Convert to fraction form
    2,747.08/3,790.62 = 1,567.84/x
  3. Step 3: Cross multiply
    2,747.08x = 3,790.62 × 1,567.84
  4. Step 4: Simplify right side
    2,747.08x = 5,943,085.66
  5. Step 5: Solve for x
    x = 5,943,085.66/2,747.08
  6. Step 6: Final answer
    x = 2,163.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.