Home / 1,519.81-2,276.07-1,449.34

Finding the Fourth Proportional to 1,519.81, 2,276.07 and 1,449.34

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Solution

The fourth proportional to 1,519.81, 2,276.07 and 1,449.34 is: 2,170.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519.81 : 2,276.07 = 1,449.34 : x
  2. Step 2: Convert to fraction form
    1,519.81/2,276.07 = 1,449.34/x
  3. Step 3: Cross multiply
    1,519.81x = 2,276.07 × 1,449.34
  4. Step 4: Simplify right side
    1,519.81x = 3,298,799.29
  5. Step 5: Solve for x
    x = 3,298,799.29/1,519.81
  6. Step 6: Final answer
    x = 2,170.53

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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.