Home / 2,486.28-3,429.40-1,600.68

Finding the Fourth Proportional to 2,486.28, 3,429.40 and 1,600.68

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Solution

The fourth proportional to 2,486.28, 3,429.40 and 1,600.68 is: 2,207.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486.28 : 3,429.40 = 1,600.68 : x
  2. Step 2: Convert to fraction form
    2,486.28/3,429.40 = 1,600.68/x
  3. Step 3: Cross multiply
    2,486.28x = 3,429.40 × 1,600.68
  4. Step 4: Simplify right side
    2,486.28x = 5,489,371.99
  5. Step 5: Solve for x
    x = 5,489,371.99/2,486.28
  6. Step 6: Final answer
    x = 2,207.87

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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.