Home / 2,137.71-2,945.66-1,577.29

Finding the Fourth Proportional to 2,137.71, 2,945.66 and 1,577.29

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Solution

The fourth proportional to 2,137.71, 2,945.66 and 1,577.29 is: 2,173.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,137.71 : 2,945.66 = 1,577.29 : x
  2. Step 2: Convert to fraction form
    2,137.71/2,945.66 = 1,577.29/x
  3. Step 3: Cross multiply
    2,137.71x = 2,945.66 × 1,577.29
  4. Step 4: Simplify right side
    2,137.71x = 4,646,160.06
  5. Step 5: Solve for x
    x = 4,646,160.06/2,137.71
  6. Step 6: Final answer
    x = 2,173.43

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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.