Home / 1,358.25-2,033.15-945.33

Finding the Fourth Proportional to 1,358.25, 2,033.15 and 945.33

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Solution

The fourth proportional to 1,358.25, 2,033.15 and 945.33 is: 1,415.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358.25 : 2,033.15 = 945.33 : x
  2. Step 2: Convert to fraction form
    1,358.25/2,033.15 = 945.33/x
  3. Step 3: Cross multiply
    1,358.25x = 2,033.15 × 945.33
  4. Step 4: Simplify right side
    1,358.25x = 1,921,992.96
  5. Step 5: Solve for x
    x = 1,921,992.96/1,358.25
  6. Step 6: Final answer
    x = 1,415.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.