Home / 2,057.23-3,086.07-670.51

Finding the Fourth Proportional to 2,057.23, 3,086.07 and 670.51

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Solution

The fourth proportional to 2,057.23, 3,086.07 and 670.51 is: 1,005.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,057.23 : 3,086.07 = 670.51 : x
  2. Step 2: Convert to fraction form
    2,057.23/3,086.07 = 670.51/x
  3. Step 3: Cross multiply
    2,057.23x = 3,086.07 × 670.51
  4. Step 4: Simplify right side
    2,057.23x = 2,069,240.80
  5. Step 5: Solve for x
    x = 2,069,240.80/2,057.23
  6. Step 6: Final answer
    x = 1,005.84

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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.