Home / 3,351.84-4,621.44-2,826.72

Finding the Fourth Proportional to 3,351.84, 4,621.44 and 2,826.72

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Solution

The fourth proportional to 3,351.84, 4,621.44 and 2,826.72 is: 3,897.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,351.84 : 4,621.44 = 2,826.72 : x
  2. Step 2: Convert to fraction form
    3,351.84/4,621.44 = 2,826.72/x
  3. Step 3: Cross multiply
    3,351.84x = 4,621.44 × 2,826.72
  4. Step 4: Simplify right side
    3,351.84x = 13,063,516.88
  5. Step 5: Solve for x
    x = 13,063,516.88/3,351.84
  6. Step 6: Final answer
    x = 3,897.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.