Home / 1,819.67-2,509.58-1,348.25

Finding the Fourth Proportional to 1,819.67, 2,509.58 and 1,348.25

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Solution

The fourth proportional to 1,819.67, 2,509.58 and 1,348.25 is: 1,859.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819.67 : 2,509.58 = 1,348.25 : x
  2. Step 2: Convert to fraction form
    1,819.67/2,509.58 = 1,348.25/x
  3. Step 3: Cross multiply
    1,819.67x = 2,509.58 × 1,348.25
  4. Step 4: Simplify right side
    1,819.67x = 3,383,532.06
  5. Step 5: Solve for x
    x = 3,383,532.06/1,819.67
  6. Step 6: Final answer
    x = 1,859.43

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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.