Home / 2,819.71-4,226.29-1,518.45

Finding the Fourth Proportional to 2,819.71, 4,226.29 and 1,518.45

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Solution

The fourth proportional to 2,819.71, 4,226.29 and 1,518.45 is: 2,275.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819.71 : 4,226.29 = 1,518.45 : x
  2. Step 2: Convert to fraction form
    2,819.71/4,226.29 = 1,518.45/x
  3. Step 3: Cross multiply
    2,819.71x = 4,226.29 × 1,518.45
  4. Step 4: Simplify right side
    2,819.71x = 6,417,410.05
  5. Step 5: Solve for x
    x = 6,417,410.05/2,819.71
  6. Step 6: Final answer
    x = 2,275.91

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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.