Home / 1,941.26-2,910.75-624.66

Finding the Fourth Proportional to 1,941.26, 2,910.75 and 624.66

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Solution

The fourth proportional to 1,941.26, 2,910.75 and 624.66 is: 936.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941.26 : 2,910.75 = 624.66 : x
  2. Step 2: Convert to fraction form
    1,941.26/2,910.75 = 624.66/x
  3. Step 3: Cross multiply
    1,941.26x = 2,910.75 × 624.66
  4. Step 4: Simplify right side
    1,941.26x = 1,818,229.10
  5. Step 5: Solve for x
    x = 1,818,229.10/1,941.26
  6. Step 6: Final answer
    x = 936.63

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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.