Home / 2,918.29-4,027.31-1,659.40

Finding the Fourth Proportional to 2,918.29, 4,027.31 and 1,659.40

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Solution

The fourth proportional to 2,918.29, 4,027.31 and 1,659.40 is: 2,290.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.29 : 4,027.31 = 1,659.40 : x
  2. Step 2: Convert to fraction form
    2,918.29/4,027.31 = 1,659.40/x
  3. Step 3: Cross multiply
    2,918.29x = 4,027.31 × 1,659.40
  4. Step 4: Simplify right side
    2,918.29x = 6,682,918.21
  5. Step 5: Solve for x
    x = 6,682,918.21/2,918.29
  6. Step 6: Final answer
    x = 2,290.01

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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.