Home / 3,525.21-5,288.94-2,209.77

Finding the Fourth Proportional to 3,525.21, 5,288.94 and 2,209.77

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Solution

The fourth proportional to 3,525.21, 5,288.94 and 2,209.77 is: 3,315.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,525.21 : 5,288.94 = 2,209.77 : x
  2. Step 2: Convert to fraction form
    3,525.21/5,288.94 = 2,209.77/x
  3. Step 3: Cross multiply
    3,525.21x = 5,288.94 × 2,209.77
  4. Step 4: Simplify right side
    3,525.21x = 11,687,340.94
  5. Step 5: Solve for x
    x = 11,687,340.94/3,525.21
  6. Step 6: Final answer
    x = 3,315.36

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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.