Home / 2,379.49-3,569.24-1,519.27

Finding the Fourth Proportional to 2,379.49, 3,569.24 and 1,519.27

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Solution

The fourth proportional to 2,379.49, 3,569.24 and 1,519.27 is: 2,278.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379.49 : 3,569.24 = 1,519.27 : x
  2. Step 2: Convert to fraction form
    2,379.49/3,569.24 = 1,519.27/x
  3. Step 3: Cross multiply
    2,379.49x = 3,569.24 × 1,519.27
  4. Step 4: Simplify right side
    2,379.49x = 5,422,639.25
  5. Step 5: Solve for x
    x = 5,422,639.25/2,379.49
  6. Step 6: Final answer
    x = 2,278.91

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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.