Home / 1,994.54-2,971.76-1,882.76

Finding the Fourth Proportional to 1,994.54, 2,971.76 and 1,882.76

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Solution

The fourth proportional to 1,994.54, 2,971.76 and 1,882.76 is: 2,805.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994.54 : 2,971.76 = 1,882.76 : x
  2. Step 2: Convert to fraction form
    1,994.54/2,971.76 = 1,882.76/x
  3. Step 3: Cross multiply
    1,994.54x = 2,971.76 × 1,882.76
  4. Step 4: Simplify right side
    1,994.54x = 5,595,110.86
  5. Step 5: Solve for x
    x = 5,595,110.86/1,994.54
  6. Step 6: Final answer
    x = 2,805.21

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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.