Home / 1,803.05-2,714.14-1,286.63

Finding the Fourth Proportional to 1,803.05, 2,714.14 and 1,286.63

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Solution

The fourth proportional to 1,803.05, 2,714.14 and 1,286.63 is: 1,936.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,803.05 : 2,714.14 = 1,286.63 : x
  2. Step 2: Convert to fraction form
    1,803.05/2,714.14 = 1,286.63/x
  3. Step 3: Cross multiply
    1,803.05x = 2,714.14 × 1,286.63
  4. Step 4: Simplify right side
    1,803.05x = 3,492,073.94
  5. Step 5: Solve for x
    x = 3,492,073.94/1,803.05
  6. Step 6: Final answer
    x = 1,936.76

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.