Home / 2,080.51-3,116.44-1,616.65

Finding the Fourth Proportional to 2,080.51, 3,116.44 and 1,616.65

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Solution

The fourth proportional to 2,080.51, 3,116.44 and 1,616.65 is: 2,421.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080.51 : 3,116.44 = 1,616.65 : x
  2. Step 2: Convert to fraction form
    2,080.51/3,116.44 = 1,616.65/x
  3. Step 3: Cross multiply
    2,080.51x = 3,116.44 × 1,616.65
  4. Step 4: Simplify right side
    2,080.51x = 5,038,192.73
  5. Step 5: Solve for x
    x = 5,038,192.73/2,080.51
  6. Step 6: Final answer
    x = 2,421.61

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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.