Home / 2,095.48-2,891.64-1,211.86

Finding the Fourth Proportional to 2,095.48, 2,891.64 and 1,211.86

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Solution

The fourth proportional to 2,095.48, 2,891.64 and 1,211.86 is: 1,672.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,095.48 : 2,891.64 = 1,211.86 : x
  2. Step 2: Convert to fraction form
    2,095.48/2,891.64 = 1,211.86/x
  3. Step 3: Cross multiply
    2,095.48x = 2,891.64 × 1,211.86
  4. Step 4: Simplify right side
    2,095.48x = 3,504,262.85
  5. Step 5: Solve for x
    x = 3,504,262.85/2,095.48
  6. Step 6: Final answer
    x = 1,672.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.