Home / 3,977.32-5,484.12-3,228.96

Finding the Fourth Proportional to 3,977.32, 5,484.12 and 3,228.96

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Solution

The fourth proportional to 3,977.32, 5,484.12 and 3,228.96 is: 4,452.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977.32 : 5,484.12 = 3,228.96 : x
  2. Step 2: Convert to fraction form
    3,977.32/5,484.12 = 3,228.96/x
  3. Step 3: Cross multiply
    3,977.32x = 5,484.12 × 3,228.96
  4. Step 4: Simplify right side
    3,977.32x = 17,708,004.12
  5. Step 5: Solve for x
    x = 17,708,004.12/3,977.32
  6. Step 6: Final answer
    x = 4,452.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.