Home / 2,997.60-4,131.96-2,250.48

Finding the Fourth Proportional to 2,997.60, 4,131.96 and 2,250.48

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Solution

The fourth proportional to 2,997.60, 4,131.96 and 2,250.48 is: 3,102.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,997.60 : 4,131.96 = 2,250.48 : x
  2. Step 2: Convert to fraction form
    2,997.60/4,131.96 = 2,250.48/x
  3. Step 3: Cross multiply
    2,997.60x = 4,131.96 × 2,250.48
  4. Step 4: Simplify right side
    2,997.60x = 9,298,893.34
  5. Step 5: Solve for x
    x = 9,298,893.34/2,997.60
  6. Step 6: Final answer
    x = 3,102.11

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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.