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Finding the Fourth Proportional to 2,830.92, 4,245.16 and 882.60

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Solution

The fourth proportional to 2,830.92, 4,245.16 and 882.60 is: 1,323.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,830.92 : 4,245.16 = 882.60 : x
  2. Step 2: Convert to fraction form
    2,830.92/4,245.16 = 882.60/x
  3. Step 3: Cross multiply
    2,830.92x = 4,245.16 × 882.60
  4. Step 4: Simplify right side
    2,830.92x = 3,746,778.22
  5. Step 5: Solve for x
    x = 3,746,778.22/2,830.92
  6. Step 6: Final answer
    x = 1,323.52

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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.