Home / 3,480.72-5,221.08-1,173.84

Finding the Fourth Proportional to 3,480.72, 5,221.08 and 1,173.84

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Solution

The fourth proportional to 3,480.72, 5,221.08 and 1,173.84 is: 1,760.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,480.72 : 5,221.08 = 1,173.84 : x
  2. Step 2: Convert to fraction form
    3,480.72/5,221.08 = 1,173.84/x
  3. Step 3: Cross multiply
    3,480.72x = 5,221.08 × 1,173.84
  4. Step 4: Simplify right side
    3,480.72x = 6,128,712.55
  5. Step 5: Solve for x
    x = 6,128,712.55/3,480.72
  6. Step 6: Final answer
    x = 1,760.76

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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.