Home / 4,149.36-5,725.90-2,381.56

Finding the Fourth Proportional to 4,149.36, 5,725.90 and 2,381.56

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Solution

The fourth proportional to 4,149.36, 5,725.90 and 2,381.56 is: 3,286.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,149.36 : 5,725.90 = 2,381.56 : x
  2. Step 2: Convert to fraction form
    4,149.36/5,725.90 = 2,381.56/x
  3. Step 3: Cross multiply
    4,149.36x = 5,725.90 × 2,381.56
  4. Step 4: Simplify right side
    4,149.36x = 13,636,574.40
  5. Step 5: Solve for x
    x = 13,636,574.40/4,149.36
  6. Step 6: Final answer
    x = 3,286.43

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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.