Home / 1,105.09-1,524.97-607.75

Finding the Fourth Proportional to 1,105.09, 1,524.97 and 607.75

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Solution

The fourth proportional to 1,105.09, 1,524.97 and 607.75 is: 838.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105.09 : 1,524.97 = 607.75 : x
  2. Step 2: Convert to fraction form
    1,105.09/1,524.97 = 607.75/x
  3. Step 3: Cross multiply
    1,105.09x = 1,524.97 × 607.75
  4. Step 4: Simplify right side
    1,105.09x = 926,800.52
  5. Step 5: Solve for x
    x = 926,800.52/1,105.09
  6. Step 6: Final answer
    x = 838.67

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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.