Home / 3,132.96-4,692.74-1,487.04

Finding the Fourth Proportional to 3,132.96, 4,692.74 and 1,487.04

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Solution

The fourth proportional to 3,132.96, 4,692.74 and 1,487.04 is: 2,227.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.96 : 4,692.74 = 1,487.04 : x
  2. Step 2: Convert to fraction form
    3,132.96/4,692.74 = 1,487.04/x
  3. Step 3: Cross multiply
    3,132.96x = 4,692.74 × 1,487.04
  4. Step 4: Simplify right side
    3,132.96x = 6,978,292.09
  5. Step 5: Solve for x
    x = 6,978,292.09/3,132.96
  6. Step 6: Final answer
    x = 2,227.38

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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.