Home / 3,028.01-4,543.40-1,639.87

Finding the Fourth Proportional to 3,028.01, 4,543.40 and 1,639.87

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Solution

The fourth proportional to 3,028.01, 4,543.40 and 1,639.87 is: 2,460.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,028.01 : 4,543.40 = 1,639.87 : x
  2. Step 2: Convert to fraction form
    3,028.01/4,543.40 = 1,639.87/x
  3. Step 3: Cross multiply
    3,028.01x = 4,543.40 × 1,639.87
  4. Step 4: Simplify right side
    3,028.01x = 7,450,578.10
  5. Step 5: Solve for x
    x = 7,450,578.10/3,028.01
  6. Step 6: Final answer
    x = 2,460.56

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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.