Home / 2,063.66-3,080.48-1,911.38

Finding the Fourth Proportional to 2,063.66, 3,080.48 and 1,911.38

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Solution

The fourth proportional to 2,063.66, 3,080.48 and 1,911.38 is: 2,853.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,063.66 : 3,080.48 = 1,911.38 : x
  2. Step 2: Convert to fraction form
    2,063.66/3,080.48 = 1,911.38/x
  3. Step 3: Cross multiply
    2,063.66x = 3,080.48 × 1,911.38
  4. Step 4: Simplify right side
    2,063.66x = 5,887,967.86
  5. Step 5: Solve for x
    x = 5,887,967.86/2,063.66
  6. Step 6: Final answer
    x = 2,853.17

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.