Home / 2,997.65-4,135.70-2,003.56

Finding the Fourth Proportional to 2,997.65, 4,135.70 and 2,003.56

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Solution

The fourth proportional to 2,997.65, 4,135.70 and 2,003.56 is: 2,764.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,997.65 : 4,135.70 = 2,003.56 : x
  2. Step 2: Convert to fraction form
    2,997.65/4,135.70 = 2,003.56/x
  3. Step 3: Cross multiply
    2,997.65x = 4,135.70 × 2,003.56
  4. Step 4: Simplify right side
    2,997.65x = 8,286,092.40
  5. Step 5: Solve for x
    x = 8,286,092.40/2,997.65
  6. Step 6: Final answer
    x = 2,764.20

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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.