Home / 3,028.75-4,179.72-1,702.45

Finding the Fourth Proportional to 3,028.75, 4,179.72 and 1,702.45

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Solution

The fourth proportional to 3,028.75, 4,179.72 and 1,702.45 is: 2,349.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,028.75 : 4,179.72 = 1,702.45 : x
  2. Step 2: Convert to fraction form
    3,028.75/4,179.72 = 1,702.45/x
  3. Step 3: Cross multiply
    3,028.75x = 4,179.72 × 1,702.45
  4. Step 4: Simplify right side
    3,028.75x = 7,115,764.31
  5. Step 5: Solve for x
    x = 7,115,764.31/3,028.75
  6. Step 6: Final answer
    x = 2,349.41

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1.5x scale

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.