Home / 3,155.13-4,732.68-1,692.27

Finding the Fourth Proportional to 3,155.13, 4,732.68 and 1,692.27

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Solution

The fourth proportional to 3,155.13, 4,732.68 and 1,692.27 is: 2,538.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.13 : 4,732.68 = 1,692.27 : x
  2. Step 2: Convert to fraction form
    3,155.13/4,732.68 = 1,692.27/x
  3. Step 3: Cross multiply
    3,155.13x = 4,732.68 × 1,692.27
  4. Step 4: Simplify right side
    3,155.13x = 8,008,972.38
  5. Step 5: Solve for x
    x = 8,008,972.38/3,155.13
  6. Step 6: Final answer
    x = 2,538.40

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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.