Home / 2,076.20-3,110.70-1,752.20

Finding the Fourth Proportional to 2,076.20, 3,110.70 and 1,752.20

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Solution

The fourth proportional to 2,076.20, 3,110.70 and 1,752.20 is: 2,625.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076.20 : 3,110.70 = 1,752.20 : x
  2. Step 2: Convert to fraction form
    2,076.20/3,110.70 = 1,752.20/x
  3. Step 3: Cross multiply
    2,076.20x = 3,110.70 × 1,752.20
  4. Step 4: Simplify right side
    2,076.20x = 5,450,568.54
  5. Step 5: Solve for x
    x = 5,450,568.54/2,076.20
  6. Step 6: Final answer
    x = 2,625.26

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1.5x scale

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.