Home / 2,817.68-3,887.19-1,698.03

Finding the Fourth Proportional to 2,817.68, 3,887.19 and 1,698.03

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Solution

The fourth proportional to 2,817.68, 3,887.19 and 1,698.03 is: 2,342.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,817.68 : 3,887.19 = 1,698.03 : x
  2. Step 2: Convert to fraction form
    2,817.68/3,887.19 = 1,698.03/x
  3. Step 3: Cross multiply
    2,817.68x = 3,887.19 × 1,698.03
  4. Step 4: Simplify right side
    2,817.68x = 6,600,565.24
  5. Step 5: Solve for x
    x = 6,600,565.24/2,817.68
  6. Step 6: Final answer
    x = 2,342.56

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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.