Home / 3,311.32-4,569.72-1,819.33

Finding the Fourth Proportional to 3,311.32, 4,569.72 and 1,819.33

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Solution

The fourth proportional to 3,311.32, 4,569.72 and 1,819.33 is: 2,510.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311.32 : 4,569.72 = 1,819.33 : x
  2. Step 2: Convert to fraction form
    3,311.32/4,569.72 = 1,819.33/x
  3. Step 3: Cross multiply
    3,311.32x = 4,569.72 × 1,819.33
  4. Step 4: Simplify right side
    3,311.32x = 8,313,828.69
  5. Step 5: Solve for x
    x = 8,313,828.69/3,311.32
  6. Step 6: Final answer
    x = 2,510.73

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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.