Home / 1,825.62-2,519.31-1,039.65

Finding the Fourth Proportional to 1,825.62, 2,519.31 and 1,039.65

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Solution

The fourth proportional to 1,825.62, 2,519.31 and 1,039.65 is: 1,434.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,825.62 : 2,519.31 = 1,039.65 : x
  2. Step 2: Convert to fraction form
    1,825.62/2,519.31 = 1,039.65/x
  3. Step 3: Cross multiply
    1,825.62x = 2,519.31 × 1,039.65
  4. Step 4: Simplify right side
    1,825.62x = 2,619,200.64
  5. Step 5: Solve for x
    x = 2,619,200.64/1,825.62
  6. Step 6: Final answer
    x = 1,434.69

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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.