Home / 2,997.10-4,472.21-2,685.79

Finding the Fourth Proportional to 2,997.10, 4,472.21 and 2,685.79

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Solution

The fourth proportional to 2,997.10, 4,472.21 and 2,685.79 is: 4,007.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,997.10 : 4,472.21 = 2,685.79 : x
  2. Step 2: Convert to fraction form
    2,997.10/4,472.21 = 2,685.79/x
  3. Step 3: Cross multiply
    2,997.10x = 4,472.21 × 2,685.79
  4. Step 4: Simplify right side
    2,997.10x = 12,011,416.90
  5. Step 5: Solve for x
    x = 12,011,416.90/2,997.10
  6. Step 6: Final answer
    x = 4,007.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.