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Finding the Fourth Proportional to 3,479.69, 5,219.52 and 882.62

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Solution

The fourth proportional to 3,479.69, 5,219.52 and 882.62 is: 1,323.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479.69 : 5,219.52 = 882.62 : x
  2. Step 2: Convert to fraction form
    3,479.69/5,219.52 = 882.62/x
  3. Step 3: Cross multiply
    3,479.69x = 5,219.52 × 882.62
  4. Step 4: Simplify right side
    3,479.69x = 4,606,852.74
  5. Step 5: Solve for x
    x = 4,606,852.74/3,479.69
  6. Step 6: Final answer
    x = 1,323.93

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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.