Home / 2,234.70-3,084.57-1,571.76

Finding the Fourth Proportional to 2,234.70, 3,084.57 and 1,571.76

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Solution

The fourth proportional to 2,234.70, 3,084.57 and 1,571.76 is: 2,169.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,234.70 : 3,084.57 = 1,571.76 : x
  2. Step 2: Convert to fraction form
    2,234.70/3,084.57 = 1,571.76/x
  3. Step 3: Cross multiply
    2,234.70x = 3,084.57 × 1,571.76
  4. Step 4: Simplify right side
    2,234.70x = 4,848,203.74
  5. Step 5: Solve for x
    x = 4,848,203.74/2,234.70
  6. Step 6: Final answer
    x = 2,169.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.