Home / 2,176.97-3,003.75-1,293.05

Finding the Fourth Proportional to 2,176.97, 3,003.75 and 1,293.05

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Solution

The fourth proportional to 2,176.97, 3,003.75 and 1,293.05 is: 1,784.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.97 : 3,003.75 = 1,293.05 : x
  2. Step 2: Convert to fraction form
    2,176.97/3,003.75 = 1,293.05/x
  3. Step 3: Cross multiply
    2,176.97x = 3,003.75 × 1,293.05
  4. Step 4: Simplify right side
    2,176.97x = 3,884,006.45
  5. Step 5: Solve for x
    x = 3,884,006.45/2,176.97
  6. Step 6: Final answer
    x = 1,784.14

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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.