Home / 3,692.21-5,530.89-1,837.70

Finding the Fourth Proportional to 3,692.21, 5,530.89 and 1,837.70

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Solution

The fourth proportional to 3,692.21, 5,530.89 and 1,837.70 is: 2,752.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,692.21 : 5,530.89 = 1,837.70 : x
  2. Step 2: Convert to fraction form
    3,692.21/5,530.89 = 1,837.70/x
  3. Step 3: Cross multiply
    3,692.21x = 5,530.89 × 1,837.70
  4. Step 4: Simplify right side
    3,692.21x = 10,164,116.55
  5. Step 5: Solve for x
    x = 10,164,116.55/3,692.21
  6. Step 6: Final answer
    x = 2,752.85

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1.5x scale

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.