Home / 3,225-4,836.54-2,184.36

Finding the Fourth Proportional to 3,225, 4,836.54 and 2,184.36

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Solution

The fourth proportional to 3,225, 4,836.54 and 2,184.36 is: 3,275.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225 : 4,836.54 = 2,184.36 : x
  2. Step 2: Convert to fraction form
    3,225/4,836.54 = 2,184.36/x
  3. Step 3: Cross multiply
    3,225x = 4,836.54 × 2,184.36
  4. Step 4: Simplify right side
    3,225x = 10,564,744.51
  5. Step 5: Solve for x
    x = 10,564,744.51/3,225
  6. Step 6: Final answer
    x = 3,275.89

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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.