Home / 2,010.80-3,016.20-1,646.30

Finding the Fourth Proportional to 2,010.80, 3,016.20 and 1,646.30

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Solution

The fourth proportional to 2,010.80, 3,016.20 and 1,646.30 is: 2,469.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,010.80 : 3,016.20 = 1,646.30 : x
  2. Step 2: Convert to fraction form
    2,010.80/3,016.20 = 1,646.30/x
  3. Step 3: Cross multiply
    2,010.80x = 3,016.20 × 1,646.30
  4. Step 4: Simplify right side
    2,010.80x = 4,965,570.06
  5. Step 5: Solve for x
    x = 4,965,570.06/2,010.80
  6. Step 6: Final answer
    x = 2,469.45

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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.