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Finding the Fourth Proportional to 2,830.48, 4,245.98 and 882.68

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Solution

The fourth proportional to 2,830.48, 4,245.98 and 882.68 is: 1,324.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,830.48 : 4,245.98 = 882.68 : x
  2. Step 2: Convert to fraction form
    2,830.48/4,245.98 = 882.68/x
  3. Step 3: Cross multiply
    2,830.48x = 4,245.98 × 882.68
  4. Step 4: Simplify right side
    2,830.48x = 3,747,841.63
  5. Step 5: Solve for x
    x = 3,747,841.63/2,830.48
  6. Step 6: Final answer
    x = 1,324.10

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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.