Home / 3,028.72-4,179.56-1,702.48

Finding the Fourth Proportional to 3,028.72, 4,179.56 and 1,702.48

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Solution

The fourth proportional to 3,028.72, 4,179.56 and 1,702.48 is: 2,349.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,028.72 : 4,179.56 = 1,702.48 : x
  2. Step 2: Convert to fraction form
    3,028.72/4,179.56 = 1,702.48/x
  3. Step 3: Cross multiply
    3,028.72x = 4,179.56 × 1,702.48
  4. Step 4: Simplify right side
    3,028.72x = 7,115,617.31
  5. Step 5: Solve for x
    x = 7,115,617.31/3,028.72
  6. Step 6: Final answer
    x = 2,349.38

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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.