Home / 2,617.51-3,608.43-1,871.19

Finding the Fourth Proportional to 2,617.51, 3,608.43 and 1,871.19

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Solution

The fourth proportional to 2,617.51, 3,608.43 and 1,871.19 is: 2,579.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617.51 : 3,608.43 = 1,871.19 : x
  2. Step 2: Convert to fraction form
    2,617.51/3,608.43 = 1,871.19/x
  3. Step 3: Cross multiply
    2,617.51x = 3,608.43 × 1,871.19
  4. Step 4: Simplify right side
    2,617.51x = 6,752,064.65
  5. Step 5: Solve for x
    x = 6,752,064.65/2,617.51
  6. Step 6: Final answer
    x = 2,579.58

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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.