Home / 3,864.50-5,333.02-2,292.70

Finding the Fourth Proportional to 3,864.50, 5,333.02 and 2,292.70

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Solution

The fourth proportional to 3,864.50, 5,333.02 and 2,292.70 is: 3,163.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864.50 : 5,333.02 = 2,292.70 : x
  2. Step 2: Convert to fraction form
    3,864.50/5,333.02 = 2,292.70/x
  3. Step 3: Cross multiply
    3,864.50x = 5,333.02 × 2,292.70
  4. Step 4: Simplify right side
    3,864.50x = 12,227,014.95
  5. Step 5: Solve for x
    x = 12,227,014.95/3,864.50
  6. Step 6: Final answer
    x = 3,163.93

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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.