Home / 1,825.82-2,519.72-1,039.85

Finding the Fourth Proportional to 1,825.82, 2,519.72 and 1,039.85

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Solution

The fourth proportional to 1,825.82, 2,519.72 and 1,039.85 is: 1,435.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,825.82 : 2,519.72 = 1,039.85 : x
  2. Step 2: Convert to fraction form
    1,825.82/2,519.72 = 1,039.85/x
  3. Step 3: Cross multiply
    1,825.82x = 2,519.72 × 1,039.85
  4. Step 4: Simplify right side
    1,825.82x = 2,620,125.64
  5. Step 5: Solve for x
    x = 2,620,125.64/1,825.82
  6. Step 6: Final answer
    x = 1,435.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.