Home / 1,874.73-2,811.97-1,142.77

Finding the Fourth Proportional to 1,874.73, 2,811.97 and 1,142.77

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Solution

The fourth proportional to 1,874.73, 2,811.97 and 1,142.77 is: 1,714.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,874.73 : 2,811.97 = 1,142.77 : x
  2. Step 2: Convert to fraction form
    1,874.73/2,811.97 = 1,142.77/x
  3. Step 3: Cross multiply
    1,874.73x = 2,811.97 × 1,142.77
  4. Step 4: Simplify right side
    1,874.73x = 3,213,434.96
  5. Step 5: Solve for x
    x = 3,213,434.96/1,874.73
  6. Step 6: Final answer
    x = 1,714.08

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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.