Home / 2,822.27-4,225.58-2,126.83

Finding the Fourth Proportional to 2,822.27, 4,225.58 and 2,126.83

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Solution

The fourth proportional to 2,822.27, 4,225.58 and 2,126.83 is: 3,184.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,822.27 : 4,225.58 = 2,126.83 : x
  2. Step 2: Convert to fraction form
    2,822.27/4,225.58 = 2,126.83/x
  3. Step 3: Cross multiply
    2,822.27x = 4,225.58 × 2,126.83
  4. Step 4: Simplify right side
    2,822.27x = 8,987,099.89
  5. Step 5: Solve for x
    x = 8,987,099.89/2,822.27
  6. Step 6: Final answer
    x = 3,184.35

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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.