Home / 3,820.05-5,730.08-3,515.49

Finding the Fourth Proportional to 3,820.05, 5,730.08 and 3,515.49

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Solution

The fourth proportional to 3,820.05, 5,730.08 and 3,515.49 is: 5,273.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820.05 : 5,730.08 = 3,515.49 : x
  2. Step 2: Convert to fraction form
    3,820.05/5,730.08 = 3,515.49/x
  3. Step 3: Cross multiply
    3,820.05x = 5,730.08 × 3,515.49
  4. Step 4: Simplify right side
    3,820.05x = 20,144,021.36
  5. Step 5: Solve for x
    x = 20,144,021.36/3,820.05
  6. Step 6: Final answer
    x = 5,273.24

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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.