Home / 3,820.43-5,725.83-2,177.90

Finding the Fourth Proportional to 3,820.43, 5,725.83 and 2,177.90

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Solution

The fourth proportional to 3,820.43, 5,725.83 and 2,177.90 is: 3,264.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820.43 : 5,725.83 = 2,177.90 : x
  2. Step 2: Convert to fraction form
    3,820.43/5,725.83 = 2,177.90/x
  3. Step 3: Cross multiply
    3,820.43x = 5,725.83 × 2,177.90
  4. Step 4: Simplify right side
    3,820.43x = 12,470,256.53
  5. Step 5: Solve for x
    x = 12,470,256.53/3,820.43
  6. Step 6: Final answer
    x = 3,264.10

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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.