Home / 3,028.30-4,179.20-1,702.42

Finding the Fourth Proportional to 3,028.30, 4,179.20 and 1,702.42

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Solution

The fourth proportional to 3,028.30, 4,179.20 and 1,702.42 is: 2,349.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,028.30 : 4,179.20 = 1,702.42 : x
  2. Step 2: Convert to fraction form
    3,028.30/4,179.20 = 1,702.42/x
  3. Step 3: Cross multiply
    3,028.30x = 4,179.20 × 1,702.42
  4. Step 4: Simplify right side
    3,028.30x = 7,114,753.66
  5. Step 5: Solve for x
    x = 7,114,753.66/3,028.30
  6. Step 6: Final answer
    x = 2,349.42

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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.