Home / 3,028.79-4,179.89-1,702.51

Finding the Fourth Proportional to 3,028.79, 4,179.89 and 1,702.51

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Solution

The fourth proportional to 3,028.79, 4,179.89 and 1,702.51 is: 2,349.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,028.79 : 4,179.89 = 1,702.51 : x
  2. Step 2: Convert to fraction form
    3,028.79/4,179.89 = 1,702.51/x
  3. Step 3: Cross multiply
    3,028.79x = 4,179.89 × 1,702.51
  4. Step 4: Simplify right side
    3,028.79x = 7,116,304.52
  5. Step 5: Solve for x
    x = 7,116,304.52/3,028.79
  6. Step 6: Final answer
    x = 2,349.55

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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.