Home / 2,076.70-2,865.77-1,132.48

Finding the Fourth Proportional to 2,076.70, 2,865.77 and 1,132.48

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Solution

The fourth proportional to 2,076.70, 2,865.77 and 1,132.48 is: 1,562.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076.70 : 2,865.77 = 1,132.48 : x
  2. Step 2: Convert to fraction form
    2,076.70/2,865.77 = 1,132.48/x
  3. Step 3: Cross multiply
    2,076.70x = 2,865.77 × 1,132.48
  4. Step 4: Simplify right side
    2,076.70x = 3,245,420.05
  5. Step 5: Solve for x
    x = 3,245,420.05/2,076.70
  6. Step 6: Final answer
    x = 1,562.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.