Home / 3,003.76-4,145.25-1,677.70

Finding the Fourth Proportional to 3,003.76, 4,145.25 and 1,677.70

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Solution

The fourth proportional to 3,003.76, 4,145.25 and 1,677.70 is: 2,315.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,003.76 : 4,145.25 = 1,677.70 : x
  2. Step 2: Convert to fraction form
    3,003.76/4,145.25 = 1,677.70/x
  3. Step 3: Cross multiply
    3,003.76x = 4,145.25 × 1,677.70
  4. Step 4: Simplify right side
    3,003.76x = 6,954,485.93
  5. Step 5: Solve for x
    x = 6,954,485.93/3,003.76
  6. Step 6: Final answer
    x = 2,315.26

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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.