Home / 3,652.21-5,475.92-1,311.04

Finding the Fourth Proportional to 3,652.21, 5,475.92 and 1,311.04

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Solution

The fourth proportional to 3,652.21, 5,475.92 and 1,311.04 is: 1,965.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,652.21 : 5,475.92 = 1,311.04 : x
  2. Step 2: Convert to fraction form
    3,652.21/5,475.92 = 1,311.04/x
  3. Step 3: Cross multiply
    3,652.21x = 5,475.92 × 1,311.04
  4. Step 4: Simplify right side
    3,652.21x = 7,179,150.16
  5. Step 5: Solve for x
    x = 7,179,150.16/3,652.21
  6. Step 6: Final answer
    x = 1,965.70

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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.