Home / 2,180.80-3,010.58-1,707.85

Finding the Fourth Proportional to 2,180.80, 3,010.58 and 1,707.85

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Solution

The fourth proportional to 2,180.80, 3,010.58 and 1,707.85 is: 2,357.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180.80 : 3,010.58 = 1,707.85 : x
  2. Step 2: Convert to fraction form
    2,180.80/3,010.58 = 1,707.85/x
  3. Step 3: Cross multiply
    2,180.80x = 3,010.58 × 1,707.85
  4. Step 4: Simplify right side
    2,180.80x = 5,141,619.05
  5. Step 5: Solve for x
    x = 5,141,619.05/2,180.80
  6. Step 6: Final answer
    x = 2,357.68

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1.5x scale

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.