Home / 3,257.28-4,878.81-1,692.54

Finding the Fourth Proportional to 3,257.28, 4,878.81 and 1,692.54

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Solution

The fourth proportional to 3,257.28, 4,878.81 and 1,692.54 is: 2,535.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,257.28 : 4,878.81 = 1,692.54 : x
  2. Step 2: Convert to fraction form
    3,257.28/4,878.81 = 1,692.54/x
  3. Step 3: Cross multiply
    3,257.28x = 4,878.81 × 1,692.54
  4. Step 4: Simplify right side
    3,257.28x = 8,257,581.08
  5. Step 5: Solve for x
    x = 8,257,581.08/3,257.28
  6. Step 6: Final answer
    x = 2,535.12

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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.