Home / 2,997.32-4,136.81-2,213.64

Finding the Fourth Proportional to 2,997.32, 4,136.81 and 2,213.64

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Solution

The fourth proportional to 2,997.32, 4,136.81 and 2,213.64 is: 3,055.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,997.32 : 4,136.81 = 2,213.64 : x
  2. Step 2: Convert to fraction form
    2,997.32/4,136.81 = 2,213.64/x
  3. Step 3: Cross multiply
    2,997.32x = 4,136.81 × 2,213.64
  4. Step 4: Simplify right side
    2,997.32x = 9,157,397.02
  5. Step 5: Solve for x
    x = 9,157,397.02/2,997.32
  6. Step 6: Final answer
    x = 3,055.20

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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.