Home / 3,820.57-5,730.85-2,521.73

Finding the Fourth Proportional to 3,820.57, 5,730.85 and 2,521.73

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Solution

The fourth proportional to 3,820.57, 5,730.85 and 2,521.73 is: 3,782.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820.57 : 5,730.85 = 2,521.73 : x
  2. Step 2: Convert to fraction form
    3,820.57/5,730.85 = 2,521.73/x
  3. Step 3: Cross multiply
    3,820.57x = 5,730.85 × 2,521.73
  4. Step 4: Simplify right side
    3,820.57x = 14,451,673.85
  5. Step 5: Solve for x
    x = 14,451,673.85/3,820.57
  6. Step 6: Final answer
    x = 3,782.60

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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.