Home / 3,913.80-5,872.59-2,454.18

Finding the Fourth Proportional to 3,913.80, 5,872.59 and 2,454.18

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Solution

The fourth proportional to 3,913.80, 5,872.59 and 2,454.18 is: 3,682.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913.80 : 5,872.59 = 2,454.18 : x
  2. Step 2: Convert to fraction form
    3,913.80/5,872.59 = 2,454.18/x
  3. Step 3: Cross multiply
    3,913.80x = 5,872.59 × 2,454.18
  4. Step 4: Simplify right side
    3,913.80x = 14,412,392.93
  5. Step 5: Solve for x
    x = 14,412,392.93/3,913.80
  6. Step 6: Final answer
    x = 3,682.46

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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.