Home / 3,829.40-5,705.58-3,577.92

Finding the Fourth Proportional to 3,829.40, 5,705.58 and 3,577.92

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Solution

The fourth proportional to 3,829.40, 5,705.58 and 3,577.92 is: 5,330.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,829.40 : 5,705.58 = 3,577.92 : x
  2. Step 2: Convert to fraction form
    3,829.40/5,705.58 = 3,577.92/x
  3. Step 3: Cross multiply
    3,829.40x = 5,705.58 × 3,577.92
  4. Step 4: Simplify right side
    3,829.40x = 20,414,108.79
  5. Step 5: Solve for x
    x = 20,414,108.79/3,829.40
  6. Step 6: Final answer
    x = 5,330.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.