Home / 3,854.90-5,318.34-2,529.36

Finding the Fourth Proportional to 3,854.90, 5,318.34 and 2,529.36

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Solution

The fourth proportional to 3,854.90, 5,318.34 and 2,529.36 is: 3,489.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,854.90 : 5,318.34 = 2,529.36 : x
  2. Step 2: Convert to fraction form
    3,854.90/5,318.34 = 2,529.36/x
  3. Step 3: Cross multiply
    3,854.90x = 5,318.34 × 2,529.36
  4. Step 4: Simplify right side
    3,854.90x = 13,451,996.46
  5. Step 5: Solve for x
    x = 13,451,996.46/3,854.90
  6. Step 6: Final answer
    x = 3,489.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.