Home / 1,232.01-1,845.59-1,129.95

Finding the Fourth Proportional to 1,232.01, 1,845.59 and 1,129.95

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Solution

The fourth proportional to 1,232.01, 1,845.59 and 1,129.95 is: 1,692.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232.01 : 1,845.59 = 1,129.95 : x
  2. Step 2: Convert to fraction form
    1,232.01/1,845.59 = 1,129.95/x
  3. Step 3: Cross multiply
    1,232.01x = 1,845.59 × 1,129.95
  4. Step 4: Simplify right side
    1,232.01x = 2,085,418.77
  5. Step 5: Solve for x
    x = 2,085,418.77/1,232.01
  6. Step 6: Final answer
    x = 1,692.70

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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.