Home / 2,401.92-3,603.96-1,820.43

Finding the Fourth Proportional to 2,401.92, 3,603.96 and 1,820.43

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Solution

The fourth proportional to 2,401.92, 3,603.96 and 1,820.43 is: 2,731.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,401.92 : 3,603.96 = 1,820.43 : x
  2. Step 2: Convert to fraction form
    2,401.92/3,603.96 = 1,820.43/x
  3. Step 3: Cross multiply
    2,401.92x = 3,603.96 × 1,820.43
  4. Step 4: Simplify right side
    2,401.92x = 6,560,756.90
  5. Step 5: Solve for x
    x = 6,560,756.90/2,401.92
  6. Step 6: Final answer
    x = 2,731.46

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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.