Home / 3,795.20-5,692.80-1,605.50

Finding the Fourth Proportional to 3,795.20, 5,692.80 and 1,605.50

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Solution

The fourth proportional to 3,795.20, 5,692.80 and 1,605.50 is: 2,408.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,795.20 : 5,692.80 = 1,605.50 : x
  2. Step 2: Convert to fraction form
    3,795.20/5,692.80 = 1,605.50/x
  3. Step 3: Cross multiply
    3,795.20x = 5,692.80 × 1,605.50
  4. Step 4: Simplify right side
    3,795.20x = 9,139,790.40
  5. Step 5: Solve for x
    x = 9,139,790.40/3,795.20
  6. Step 6: Final answer
    x = 2,408.25

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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.