Home / 1,519.78-2,281.83-1,450.18

Finding the Fourth Proportional to 1,519.78, 2,281.83 and 1,450.18

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Solution

The fourth proportional to 1,519.78, 2,281.83 and 1,450.18 is: 2,177.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519.78 : 2,281.83 = 1,450.18 : x
  2. Step 2: Convert to fraction form
    1,519.78/2,281.83 = 1,450.18/x
  3. Step 3: Cross multiply
    1,519.78x = 2,281.83 × 1,450.18
  4. Step 4: Simplify right side
    1,519.78x = 3,309,064.23
  5. Step 5: Solve for x
    x = 3,309,064.23/1,519.78
  6. Step 6: Final answer
    x = 2,177.33

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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.