Home / 3,913.36-5,864.69-1,828.88

Finding the Fourth Proportional to 3,913.36, 5,864.69 and 1,828.88

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Solution

The fourth proportional to 3,913.36, 5,864.69 and 1,828.88 is: 2,740.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913.36 : 5,864.69 = 1,828.88 : x
  2. Step 2: Convert to fraction form
    3,913.36/5,864.69 = 1,828.88/x
  3. Step 3: Cross multiply
    3,913.36x = 5,864.69 × 1,828.88
  4. Step 4: Simplify right side
    3,913.36x = 10,725,808.92
  5. Step 5: Solve for x
    x = 10,725,808.92/3,913.36
  6. Step 6: Final answer
    x = 2,740.82

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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.