Home / 3,678.52-5,519.76-2,858.44

Finding the Fourth Proportional to 3,678.52, 5,519.76 and 2,858.44

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Solution

The fourth proportional to 3,678.52, 5,519.76 and 2,858.44 is: 4,289.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678.52 : 5,519.76 = 2,858.44 : x
  2. Step 2: Convert to fraction form
    3,678.52/5,519.76 = 2,858.44/x
  3. Step 3: Cross multiply
    3,678.52x = 5,519.76 × 2,858.44
  4. Step 4: Simplify right side
    3,678.52x = 15,777,902.77
  5. Step 5: Solve for x
    x = 15,777,902.77/3,678.52
  6. Step 6: Final answer
    x = 4,289.20

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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.