Home / 2,020.10-3,030.75-850.68

Finding the Fourth Proportional to 2,020.10, 3,030.75 and 850.68

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Solution

The fourth proportional to 2,020.10, 3,030.75 and 850.68 is: 1,276.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020.10 : 3,030.75 = 850.68 : x
  2. Step 2: Convert to fraction form
    2,020.10/3,030.75 = 850.68/x
  3. Step 3: Cross multiply
    2,020.10x = 3,030.75 × 850.68
  4. Step 4: Simplify right side
    2,020.10x = 2,578,198.41
  5. Step 5: Solve for x
    x = 2,578,198.41/2,020.10
  6. Step 6: Final answer
    x = 1,276.28

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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.