Home / 1,436.08-2,153.66-461.95

Finding the Fourth Proportional to 1,436.08, 2,153.66 and 461.95

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Solution

The fourth proportional to 1,436.08, 2,153.66 and 461.95 is: 692.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436.08 : 2,153.66 = 461.95 : x
  2. Step 2: Convert to fraction form
    1,436.08/2,153.66 = 461.95/x
  3. Step 3: Cross multiply
    1,436.08x = 2,153.66 × 461.95
  4. Step 4: Simplify right side
    1,436.08x = 994,891.56
  5. Step 5: Solve for x
    x = 994,891.56/1,436.08
  6. Step 6: Final answer
    x = 692.78

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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.