Home / 2,825.27-4,230.08-2,129.83

Finding the Fourth Proportional to 2,825.27, 4,230.08 and 2,129.83

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Solution

The fourth proportional to 2,825.27, 4,230.08 and 2,129.83 is: 3,188.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825.27 : 4,230.08 = 2,129.83 : x
  2. Step 2: Convert to fraction form
    2,825.27/4,230.08 = 2,129.83/x
  3. Step 3: Cross multiply
    2,825.27x = 4,230.08 × 2,129.83
  4. Step 4: Simplify right side
    2,825.27x = 9,009,351.29
  5. Step 5: Solve for x
    x = 9,009,351.29/2,825.27
  6. Step 6: Final answer
    x = 3,188.85

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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.