Home / 2,763.21-3,812.95-1,567.82

Finding the Fourth Proportional to 2,763.21, 3,812.95 and 1,567.82

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Solution

The fourth proportional to 2,763.21, 3,812.95 and 1,567.82 is: 2,163.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,763.21 : 3,812.95 = 1,567.82 : x
  2. Step 2: Convert to fraction form
    2,763.21/3,812.95 = 1,567.82/x
  3. Step 3: Cross multiply
    2,763.21x = 3,812.95 × 1,567.82
  4. Step 4: Simplify right side
    2,763.21x = 5,977,992.37
  5. Step 5: Solve for x
    x = 5,977,992.37/2,763.21
  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.