Home / 3,028.40-4,539.72-1,727.36

Finding the Fourth Proportional to 3,028.40, 4,539.72 and 1,727.36

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Solution

The fourth proportional to 3,028.40, 4,539.72 and 1,727.36 is: 2,589.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,028.40 : 4,539.72 = 1,727.36 : x
  2. Step 2: Convert to fraction form
    3,028.40/4,539.72 = 1,727.36/x
  3. Step 3: Cross multiply
    3,028.40x = 4,539.72 × 1,727.36
  4. Step 4: Simplify right side
    3,028.40x = 7,841,730.74
  5. Step 5: Solve for x
    x = 7,841,730.74/3,028.40
  6. Step 6: Final answer
    x = 2,589.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.