Home / 1,819.60-2,717.24-1,556.88

Finding the Fourth Proportional to 1,819.60, 2,717.24 and 1,556.88

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Solution

The fourth proportional to 1,819.60, 2,717.24 and 1,556.88 is: 2,324.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819.60 : 2,717.24 = 1,556.88 : x
  2. Step 2: Convert to fraction form
    1,819.60/2,717.24 = 1,556.88/x
  3. Step 3: Cross multiply
    1,819.60x = 2,717.24 × 1,556.88
  4. Step 4: Simplify right side
    1,819.60x = 4,230,416.61
  5. Step 5: Solve for x
    x = 4,230,416.61/1,819.60
  6. Step 6: Final answer
    x = 2,324.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.