Home / 3,864.69-5,333.18-2,292.75

Finding the Fourth Proportional to 3,864.69, 5,333.18 and 2,292.75

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Solution

The fourth proportional to 3,864.69, 5,333.18 and 2,292.75 is: 3,163.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864.69 : 5,333.18 = 2,292.75 : x
  2. Step 2: Convert to fraction form
    3,864.69/5,333.18 = 2,292.75/x
  3. Step 3: Cross multiply
    3,864.69x = 5,333.18 × 2,292.75
  4. Step 4: Simplify right side
    3,864.69x = 12,227,636.98
  5. Step 5: Solve for x
    x = 12,227,636.98/3,864.69
  6. Step 6: Final answer
    x = 3,163.94

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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.