Home / 3,028.80-4,180.18-1,702.62

Finding the Fourth Proportional to 3,028.80, 4,180.18 and 1,702.62

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Solution

The fourth proportional to 3,028.80, 4,180.18 and 1,702.62 is: 2,349.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,028.80 : 4,180.18 = 1,702.62 : x
  2. Step 2: Convert to fraction form
    3,028.80/4,180.18 = 1,702.62/x
  3. Step 3: Cross multiply
    3,028.80x = 4,180.18 × 1,702.62
  4. Step 4: Simplify right side
    3,028.80x = 7,117,258.07
  5. Step 5: Solve for x
    x = 7,117,258.07/3,028.80
  6. Step 6: Final answer
    x = 2,349.86

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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.