Home / 3,908.55-5,864.20-1,717.45

Finding the Fourth Proportional to 3,908.55, 5,864.20 and 1,717.45

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Solution

The fourth proportional to 3,908.55, 5,864.20 and 1,717.45 is: 2,576.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,908.55 : 5,864.20 = 1,717.45 : x
  2. Step 2: Convert to fraction form
    3,908.55/5,864.20 = 1,717.45/x
  3. Step 3: Cross multiply
    3,908.55x = 5,864.20 × 1,717.45
  4. Step 4: Simplify right side
    3,908.55x = 10,071,484.32
  5. Step 5: Solve for x
    x = 10,071,484.32/3,908.55
  6. Step 6: Final answer
    x = 2,576.78

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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.