Home / 1,967.30-2,712.57-1,181.06

Finding the Fourth Proportional to 1,967.30, 2,712.57 and 1,181.06

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Solution

The fourth proportional to 1,967.30, 2,712.57 and 1,181.06 is: 1,628.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,967.30 : 2,712.57 = 1,181.06 : x
  2. Step 2: Convert to fraction form
    1,967.30/2,712.57 = 1,181.06/x
  3. Step 3: Cross multiply
    1,967.30x = 2,712.57 × 1,181.06
  4. Step 4: Simplify right side
    1,967.30x = 3,203,707.92
  5. Step 5: Solve for x
    x = 3,203,707.92/1,967.30
  6. Step 6: Final answer
    x = 1,628.48

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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.