Home / 1,825.81-2,519.62-1,039.91

Finding the Fourth Proportional to 1,825.81, 2,519.62 and 1,039.91

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Solution

The fourth proportional to 1,825.81, 2,519.62 and 1,039.91 is: 1,435.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,825.81 : 2,519.62 = 1,039.91 : x
  2. Step 2: Convert to fraction form
    1,825.81/2,519.62 = 1,039.91/x
  3. Step 3: Cross multiply
    1,825.81x = 2,519.62 × 1,039.91
  4. Step 4: Simplify right side
    1,825.81x = 2,620,178.03
  5. Step 5: Solve for x
    x = 2,620,178.03/1,825.81
  6. Step 6: Final answer
    x = 1,435.08

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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.