Home / 1,647.20-2,467.12-1,519.14

Finding the Fourth Proportional to 1,647.20, 2,467.12 and 1,519.14

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Solution

The fourth proportional to 1,647.20, 2,467.12 and 1,519.14 is: 2,275.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,647.20 : 2,467.12 = 1,519.14 : x
  2. Step 2: Convert to fraction form
    1,647.20/2,467.12 = 1,519.14/x
  3. Step 3: Cross multiply
    1,647.20x = 2,467.12 × 1,519.14
  4. Step 4: Simplify right side
    1,647.20x = 3,747,900.68
  5. Step 5: Solve for x
    x = 3,747,900.68/1,647.20
  6. Step 6: Final answer
    x = 2,275.32

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1.5x scale

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.