Home / 2,692.60-4,036.20-1,232.80

Finding the Fourth Proportional to 2,692.60, 4,036.20 and 1,232.80

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Solution

The fourth proportional to 2,692.60, 4,036.20 and 1,232.80 is: 1,847.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,692.60 : 4,036.20 = 1,232.80 : x
  2. Step 2: Convert to fraction form
    2,692.60/4,036.20 = 1,232.80/x
  3. Step 3: Cross multiply
    2,692.60x = 4,036.20 × 1,232.80
  4. Step 4: Simplify right side
    2,692.60x = 4,975,827.36
  5. Step 5: Solve for x
    x = 4,975,827.36/2,692.60
  6. Step 6: Final answer
    x = 1,847.96

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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.