Home / 3,997.17-5,510.70-2,800.54

Finding the Fourth Proportional to 3,997.17, 5,510.70 and 2,800.54

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Solution

The fourth proportional to 3,997.17, 5,510.70 and 2,800.54 is: 3,860.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,997.17 : 5,510.70 = 2,800.54 : x
  2. Step 2: Convert to fraction form
    3,997.17/5,510.70 = 2,800.54/x
  3. Step 3: Cross multiply
    3,997.17x = 5,510.70 × 2,800.54
  4. Step 4: Simplify right side
    3,997.17x = 15,432,935.78
  5. Step 5: Solve for x
    x = 15,432,935.78/3,997.17
  6. Step 6: Final answer
    x = 3,860.97

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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.