Home / 3,571.29-5,356.67-1,490.54

Finding the Fourth Proportional to 3,571.29, 5,356.67 and 1,490.54

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Solution

The fourth proportional to 3,571.29, 5,356.67 and 1,490.54 is: 2,235.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571.29 : 5,356.67 = 1,490.54 : x
  2. Step 2: Convert to fraction form
    3,571.29/5,356.67 = 1,490.54/x
  3. Step 3: Cross multiply
    3,571.29x = 5,356.67 × 1,490.54
  4. Step 4: Simplify right side
    3,571.29x = 7,984,296.67
  5. Step 5: Solve for x
    x = 7,984,296.67/3,571.29
  6. Step 6: Final answer
    x = 2,235.69

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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.