Home / 1,489.35-2,235.66-1,183.17

Finding the Fourth Proportional to 1,489.35, 2,235.66 and 1,183.17

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Solution

The fourth proportional to 1,489.35, 2,235.66 and 1,183.17 is: 1,776.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489.35 : 2,235.66 = 1,183.17 : x
  2. Step 2: Convert to fraction form
    1,489.35/2,235.66 = 1,183.17/x
  3. Step 3: Cross multiply
    1,489.35x = 2,235.66 × 1,183.17
  4. Step 4: Simplify right side
    1,489.35x = 2,645,165.84
  5. Step 5: Solve for x
    x = 2,645,165.84/1,489.35
  6. Step 6: Final answer
    x = 1,776.05

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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.