Home / 1,639.50-2,464.65-1,519.22

Finding the Fourth Proportional to 1,639.50, 2,464.65 and 1,519.22

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Solution

The fourth proportional to 1,639.50, 2,464.65 and 1,519.22 is: 2,283.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639.50 : 2,464.65 = 1,519.22 : x
  2. Step 2: Convert to fraction form
    1,639.50/2,464.65 = 1,519.22/x
  3. Step 3: Cross multiply
    1,639.50x = 2,464.65 × 1,519.22
  4. Step 4: Simplify right side
    1,639.50x = 3,744,333.25
  5. Step 5: Solve for x
    x = 3,744,333.25/1,639.50
  6. Step 6: Final answer
    x = 2,283.83

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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.