Home / 1,519.15-2,281.29-1,441.21

Finding the Fourth Proportional to 1,519.15, 2,281.29 and 1,441.21

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Solution

The fourth proportional to 1,519.15, 2,281.29 and 1,441.21 is: 2,164.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519.15 : 2,281.29 = 1,441.21 : x
  2. Step 2: Convert to fraction form
    1,519.15/2,281.29 = 1,441.21/x
  3. Step 3: Cross multiply
    1,519.15x = 2,281.29 × 1,441.21
  4. Step 4: Simplify right side
    1,519.15x = 3,287,817.96
  5. Step 5: Solve for x
    x = 3,287,817.96/1,519.15
  6. Step 6: Final answer
    x = 2,164.25

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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.