Home / 1,727.30-2,383.32-1,195.35

Finding the Fourth Proportional to 1,727.30, 2,383.32 and 1,195.35

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Solution

The fourth proportional to 1,727.30, 2,383.32 and 1,195.35 is: 1,649.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,727.30 : 2,383.32 = 1,195.35 : x
  2. Step 2: Convert to fraction form
    1,727.30/2,383.32 = 1,195.35/x
  3. Step 3: Cross multiply
    1,727.30x = 2,383.32 × 1,195.35
  4. Step 4: Simplify right side
    1,727.30x = 2,848,901.56
  5. Step 5: Solve for x
    x = 2,848,901.56/1,727.30
  6. Step 6: Final answer
    x = 1,649.34

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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.