Home / 3,482.16-5,221.62-2,021.76

Finding the Fourth Proportional to 3,482.16, 5,221.62 and 2,021.76

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Solution

The fourth proportional to 3,482.16, 5,221.62 and 2,021.76 is: 3,031.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,482.16 : 5,221.62 = 2,021.76 : x
  2. Step 2: Convert to fraction form
    3,482.16/5,221.62 = 2,021.76/x
  3. Step 3: Cross multiply
    3,482.16x = 5,221.62 × 2,021.76
  4. Step 4: Simplify right side
    3,482.16x = 10,556,862.45
  5. Step 5: Solve for x
    x = 10,556,862.45/3,482.16
  6. Step 6: Final answer
    x = 3,031.70

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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.