Home / 1,785.12-2,463.44-1,039.34

Finding the Fourth Proportional to 1,785.12, 2,463.44 and 1,039.34

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Solution

The fourth proportional to 1,785.12, 2,463.44 and 1,039.34 is: 1,434.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785.12 : 2,463.44 = 1,039.34 : x
  2. Step 2: Convert to fraction form
    1,785.12/2,463.44 = 1,039.34/x
  3. Step 3: Cross multiply
    1,785.12x = 2,463.44 × 1,039.34
  4. Step 4: Simplify right side
    1,785.12x = 2,560,351.73
  5. Step 5: Solve for x
    x = 2,560,351.73/1,785.12
  6. Step 6: Final answer
    x = 1,434.27

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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.