Home / 1,314.69-1,974.06-1,110.84

Finding the Fourth Proportional to 1,314.69, 1,974.06 and 1,110.84

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Solution

The fourth proportional to 1,314.69, 1,974.06 and 1,110.84 is: 1,667.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314.69 : 1,974.06 = 1,110.84 : x
  2. Step 2: Convert to fraction form
    1,314.69/1,974.06 = 1,110.84/x
  3. Step 3: Cross multiply
    1,314.69x = 1,974.06 × 1,110.84
  4. Step 4: Simplify right side
    1,314.69x = 2,192,864.81
  5. Step 5: Solve for x
    x = 2,192,864.81/1,314.69
  6. Step 6: Final answer
    x = 1,667.97

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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.