Home / 2,271.13-3,403.05-1,296.70

Finding the Fourth Proportional to 2,271.13, 3,403.05 and 1,296.70

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Solution

The fourth proportional to 2,271.13, 3,403.05 and 1,296.70 is: 1,942.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,271.13 : 3,403.05 = 1,296.70 : x
  2. Step 2: Convert to fraction form
    2,271.13/3,403.05 = 1,296.70/x
  3. Step 3: Cross multiply
    2,271.13x = 3,403.05 × 1,296.70
  4. Step 4: Simplify right side
    2,271.13x = 4,412,734.94
  5. Step 5: Solve for x
    x = 4,412,734.94/2,271.13
  6. Step 6: Final answer
    x = 1,942.97

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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.