Home / 2,301.51-3,449.43-1,687.80

Finding the Fourth Proportional to 2,301.51, 3,449.43 and 1,687.80

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Solution

The fourth proportional to 2,301.51, 3,449.43 and 1,687.80 is: 2,529.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,301.51 : 3,449.43 = 1,687.80 : x
  2. Step 2: Convert to fraction form
    2,301.51/3,449.43 = 1,687.80/x
  3. Step 3: Cross multiply
    2,301.51x = 3,449.43 × 1,687.80
  4. Step 4: Simplify right side
    2,301.51x = 5,821,947.95
  5. Step 5: Solve for x
    x = 5,821,947.95/2,301.51
  6. Step 6: Final answer
    x = 2,529.62

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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.