Home / 2,401.12-3,600.37-1,621.09

Finding the Fourth Proportional to 2,401.12, 3,600.37 and 1,621.09

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Solution

The fourth proportional to 2,401.12, 3,600.37 and 1,621.09 is: 2,430.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,401.12 : 3,600.37 = 1,621.09 : x
  2. Step 2: Convert to fraction form
    2,401.12/3,600.37 = 1,621.09/x
  3. Step 3: Cross multiply
    2,401.12x = 3,600.37 × 1,621.09
  4. Step 4: Simplify right side
    2,401.12x = 5,836,497.70
  5. Step 5: Solve for x
    x = 5,836,497.70/2,401.12
  6. Step 6: Final answer
    x = 2,430.74

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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.