Home / 2,871.09-4,300.56-1,637.87

Finding the Fourth Proportional to 2,871.09, 4,300.56 and 1,637.87

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Solution

The fourth proportional to 2,871.09, 4,300.56 and 1,637.87 is: 2,453.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,871.09 : 4,300.56 = 1,637.87 : x
  2. Step 2: Convert to fraction form
    2,871.09/4,300.56 = 1,637.87/x
  3. Step 3: Cross multiply
    2,871.09x = 4,300.56 × 1,637.87
  4. Step 4: Simplify right side
    2,871.09x = 7,043,736.70
  5. Step 5: Solve for x
    x = 7,043,736.70/2,871.09
  6. Step 6: Final answer
    x = 2,453.33

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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.