Home / 3,576.24-5,364.12-979.20

Finding the Fourth Proportional to 3,576.24, 5,364.12 and 979.20

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Solution

The fourth proportional to 3,576.24, 5,364.12 and 979.20 is: 1,468.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,576.24 : 5,364.12 = 979.20 : x
  2. Step 2: Convert to fraction form
    3,576.24/5,364.12 = 979.20/x
  3. Step 3: Cross multiply
    3,576.24x = 5,364.12 × 979.20
  4. Step 4: Simplify right side
    3,576.24x = 5,252,546.30
  5. Step 5: Solve for x
    x = 5,252,546.30/3,576.24
  6. Step 6: Final answer
    x = 1,468.73

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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.