Home / 3,571.70-5,359.15-1,622.90

Finding the Fourth Proportional to 3,571.70, 5,359.15 and 1,622.90

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Solution

The fourth proportional to 3,571.70, 5,359.15 and 1,622.90 is: 2,435.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571.70 : 5,359.15 = 1,622.90 : x
  2. Step 2: Convert to fraction form
    3,571.70/5,359.15 = 1,622.90/x
  3. Step 3: Cross multiply
    3,571.70x = 5,359.15 × 1,622.90
  4. Step 4: Simplify right side
    3,571.70x = 8,697,364.54
  5. Step 5: Solve for x
    x = 8,697,364.54/3,571.70
  6. Step 6: Final answer
    x = 2,435.08

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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.