Home / 2,692.30-4,037.10-1,229.80

Finding the Fourth Proportional to 2,692.30, 4,037.10 and 1,229.80

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Solution

The fourth proportional to 2,692.30, 4,037.10 and 1,229.80 is: 1,844.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,692.30 : 4,037.10 = 1,229.80 : x
  2. Step 2: Convert to fraction form
    2,692.30/4,037.10 = 1,229.80/x
  3. Step 3: Cross multiply
    2,692.30x = 4,037.10 × 1,229.80
  4. Step 4: Simplify right side
    2,692.30x = 4,964,825.58
  5. Step 5: Solve for x
    x = 4,964,825.58/2,692.30
  6. Step 6: Final answer
    x = 1,844.08

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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.