Home / 1,263.50-1,896.10-441.77

Finding the Fourth Proportional to 1,263.50, 1,896.10 and 441.77

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Solution

The fourth proportional to 1,263.50, 1,896.10 and 441.77 is: 662.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263.50 : 1,896.10 = 441.77 : x
  2. Step 2: Convert to fraction form
    1,263.50/1,896.10 = 441.77/x
  3. Step 3: Cross multiply
    1,263.50x = 1,896.10 × 441.77
  4. Step 4: Simplify right side
    1,263.50x = 837,640.10
  5. Step 5: Solve for x
    x = 837,640.10/1,263.50
  6. Step 6: Final answer
    x = 662.95

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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.