Home / 1,785.82-2,465.26-1,039.51

Finding the Fourth Proportional to 1,785.82, 2,465.26 and 1,039.51

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Solution

The fourth proportional to 1,785.82, 2,465.26 and 1,039.51 is: 1,435.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785.82 : 2,465.26 = 1,039.51 : x
  2. Step 2: Convert to fraction form
    1,785.82/2,465.26 = 1,039.51/x
  3. Step 3: Cross multiply
    1,785.82x = 2,465.26 × 1,039.51
  4. Step 4: Simplify right side
    1,785.82x = 2,562,662.42
  5. Step 5: Solve for x
    x = 2,562,662.42/1,785.82
  6. Step 6: Final answer
    x = 1,435.01

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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.