Home / 2,076.89-3,114.99-1,035.79

Finding the Fourth Proportional to 2,076.89, 3,114.99 and 1,035.79

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Solution

The fourth proportional to 2,076.89, 3,114.99 and 1,035.79 is: 1,553.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076.89 : 3,114.99 = 1,035.79 : x
  2. Step 2: Convert to fraction form
    2,076.89/3,114.99 = 1,035.79/x
  3. Step 3: Cross multiply
    2,076.89x = 3,114.99 × 1,035.79
  4. Step 4: Simplify right side
    2,076.89x = 3,226,475.49
  5. Step 5: Solve for x
    x = 3,226,475.49/2,076.89
  6. Step 6: Final answer
    x = 1,553.51

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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.