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Finding the Fourth Proportional to 3,479.79, 5,219.58 and 882.73

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Solution

The fourth proportional to 3,479.79, 5,219.58 and 882.73 is: 1,324.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479.79 : 5,219.58 = 882.73 : x
  2. Step 2: Convert to fraction form
    3,479.79/5,219.58 = 882.73/x
  3. Step 3: Cross multiply
    3,479.79x = 5,219.58 × 882.73
  4. Step 4: Simplify right side
    3,479.79x = 4,607,453.76
  5. Step 5: Solve for x
    x = 4,607,453.76/3,479.79
  6. Step 6: Final answer
    x = 1,324.06

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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.