Home / 2,176.12-3,004.44-1,677.84

Finding the Fourth Proportional to 2,176.12, 3,004.44 and 1,677.84

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Solution

The fourth proportional to 2,176.12, 3,004.44 and 1,677.84 is: 2,316.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.12 : 3,004.44 = 1,677.84 : x
  2. Step 2: Convert to fraction form
    2,176.12/3,004.44 = 1,677.84/x
  3. Step 3: Cross multiply
    2,176.12x = 3,004.44 × 1,677.84
  4. Step 4: Simplify right side
    2,176.12x = 5,040,969.61
  5. Step 5: Solve for x
    x = 5,040,969.61/2,176.12
  6. Step 6: Final answer
    x = 2,316.49

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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.