Home / 2,176.66-3,003.80-1,181.94

Finding the Fourth Proportional to 2,176.66, 3,003.80 and 1,181.94

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Solution

The fourth proportional to 2,176.66, 3,003.80 and 1,181.94 is: 1,631.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.66 : 3,003.80 = 1,181.94 : x
  2. Step 2: Convert to fraction form
    2,176.66/3,003.80 = 1,181.94/x
  3. Step 3: Cross multiply
    2,176.66x = 3,003.80 × 1,181.94
  4. Step 4: Simplify right side
    2,176.66x = 3,550,305.46
  5. Step 5: Solve for x
    x = 3,550,305.46/2,176.66
  6. Step 6: Final answer
    x = 1,631.08

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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.