Home / 3,692.40-5,536.55-1,226.58

Finding the Fourth Proportional to 3,692.40, 5,536.55 and 1,226.58

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Solution

The fourth proportional to 3,692.40, 5,536.55 and 1,226.58 is: 1,839.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,692.40 : 5,536.55 = 1,226.58 : x
  2. Step 2: Convert to fraction form
    3,692.40/5,536.55 = 1,226.58/x
  3. Step 3: Cross multiply
    3,692.40x = 5,536.55 × 1,226.58
  4. Step 4: Simplify right side
    3,692.40x = 6,791,024.57
  5. Step 5: Solve for x
    x = 6,791,024.57/3,692.40
  6. Step 6: Final answer
    x = 1,839.19

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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.