Home / 2,271.77-3,401.30-1,228.03

Finding the Fourth Proportional to 2,271.77, 3,401.30 and 1,228.03

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Solution

The fourth proportional to 2,271.77, 3,401.30 and 1,228.03 is: 1,838.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,271.77 : 3,401.30 = 1,228.03 : x
  2. Step 2: Convert to fraction form
    2,271.77/3,401.30 = 1,228.03/x
  3. Step 3: Cross multiply
    2,271.77x = 3,401.30 × 1,228.03
  4. Step 4: Simplify right side
    2,271.77x = 4,176,893.01
  5. Step 5: Solve for x
    x = 4,176,893.01/2,271.77
  6. Step 6: Final answer
    x = 1,838.61

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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.