Home / 2,428.13-3,635.96-1,603.85

Finding the Fourth Proportional to 2,428.13, 3,635.96 and 1,603.85

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Solution

The fourth proportional to 2,428.13, 3,635.96 and 1,603.85 is: 2,401.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428.13 : 3,635.96 = 1,603.85 : x
  2. Step 2: Convert to fraction form
    2,428.13/3,635.96 = 1,603.85/x
  3. Step 3: Cross multiply
    2,428.13x = 3,635.96 × 1,603.85
  4. Step 4: Simplify right side
    2,428.13x = 5,831,508.25
  5. Step 5: Solve for x
    x = 5,831,508.25/2,428.13
  6. Step 6: Final answer
    x = 2,401.64

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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.