Home / 3,245.13-4,869.09-1,296.81

Finding the Fourth Proportional to 3,245.13, 4,869.09 and 1,296.81

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Solution

The fourth proportional to 3,245.13, 4,869.09 and 1,296.81 is: 1,945.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,245.13 : 4,869.09 = 1,296.81 : x
  2. Step 2: Convert to fraction form
    3,245.13/4,869.09 = 1,296.81/x
  3. Step 3: Cross multiply
    3,245.13x = 4,869.09 × 1,296.81
  4. Step 4: Simplify right side
    3,245.13x = 6,314,284.60
  5. Step 5: Solve for x
    x = 6,314,284.60/3,245.13
  6. Step 6: Final answer
    x = 1,945.77

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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.