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Finding the Fourth Proportional to 3,043.01, 4,564.53 and 851.76

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Solution

The fourth proportional to 3,043.01, 4,564.53 and 851.76 is: 1,277.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,043.01 : 4,564.53 = 851.76 : x
  2. Step 2: Convert to fraction form
    3,043.01/4,564.53 = 851.76/x
  3. Step 3: Cross multiply
    3,043.01x = 4,564.53 × 851.76
  4. Step 4: Simplify right side
    3,043.01x = 3,887,879.81
  5. Step 5: Solve for x
    x = 3,887,879.81/3,043.01
  6. Step 6: Final answer
    x = 1,277.64

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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.