Home / 1,832.96-2,529.20-1,170.40

Finding the Fourth Proportional to 1,832.96, 2,529.20 and 1,170.40

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Solution

The fourth proportional to 1,832.96, 2,529.20 and 1,170.40 is: 1,614.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,832.96 : 2,529.20 = 1,170.40 : x
  2. Step 2: Convert to fraction form
    1,832.96/2,529.20 = 1,170.40/x
  3. Step 3: Cross multiply
    1,832.96x = 2,529.20 × 1,170.40
  4. Step 4: Simplify right side
    1,832.96x = 2,960,175.68
  5. Step 5: Solve for x
    x = 2,960,175.68/1,832.96
  6. Step 6: Final answer
    x = 1,614.97

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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.