Home / 3,372.40-5,058.60-1,180.40

Finding the Fourth Proportional to 3,372.40, 5,058.60 and 1,180.40

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Solution

The fourth proportional to 3,372.40, 5,058.60 and 1,180.40 is: 1,770.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,372.40 : 5,058.60 = 1,180.40 : x
  2. Step 2: Convert to fraction form
    3,372.40/5,058.60 = 1,180.40/x
  3. Step 3: Cross multiply
    3,372.40x = 5,058.60 × 1,180.40
  4. Step 4: Simplify right side
    3,372.40x = 5,971,171.44
  5. Step 5: Solve for x
    x = 5,971,171.44/3,372.40
  6. Step 6: Final answer
    x = 1,770.60

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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.