Home / 2,428.28-3,636.23-1,604.03

Finding the Fourth Proportional to 2,428.28, 3,636.23 and 1,604.03

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Solution

The fourth proportional to 2,428.28, 3,636.23 and 1,604.03 is: 2,401.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428.28 : 3,636.23 = 1,604.03 : x
  2. Step 2: Convert to fraction form
    2,428.28/3,636.23 = 1,604.03/x
  3. Step 3: Cross multiply
    2,428.28x = 3,636.23 × 1,604.03
  4. Step 4: Simplify right side
    2,428.28x = 5,832,635.11
  5. Step 5: Solve for x
    x = 5,832,635.11/2,428.28
  6. Step 6: Final answer
    x = 2,401.97

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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.