Home / 3,525.02-5,288.64-2,120.97

Finding the Fourth Proportional to 3,525.02, 5,288.64 and 2,120.97

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Solution

The fourth proportional to 3,525.02, 5,288.64 and 2,120.97 is: 3,182.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,525.02 : 5,288.64 = 2,120.97 : x
  2. Step 2: Convert to fraction form
    3,525.02/5,288.64 = 2,120.97/x
  3. Step 3: Cross multiply
    3,525.02x = 5,288.64 × 2,120.97
  4. Step 4: Simplify right side
    3,525.02x = 11,217,033.00
  5. Step 5: Solve for x
    x = 11,217,033.00/3,525.02
  6. Step 6: Final answer
    x = 3,182.12

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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.