Home / 3,979.20-5,953.80-3,575.01

Finding the Fourth Proportional to 3,979.20, 5,953.80 and 3,575.01

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Solution

The fourth proportional to 3,979.20, 5,953.80 and 3,575.01 is: 5,349.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979.20 : 5,953.80 = 3,575.01 : x
  2. Step 2: Convert to fraction form
    3,979.20/5,953.80 = 3,575.01/x
  3. Step 3: Cross multiply
    3,979.20x = 5,953.80 × 3,575.01
  4. Step 4: Simplify right side
    3,979.20x = 21,284,894.54
  5. Step 5: Solve for x
    x = 21,284,894.54/3,979.20
  6. Step 6: Final answer
    x = 5,349.04

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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.