Home / 3,342.30-4,612.05-1,997.64

Finding the Fourth Proportional to 3,342.30, 4,612.05 and 1,997.64

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Solution

The fourth proportional to 3,342.30, 4,612.05 and 1,997.64 is: 2,756.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,342.30 : 4,612.05 = 1,997.64 : x
  2. Step 2: Convert to fraction form
    3,342.30/4,612.05 = 1,997.64/x
  3. Step 3: Cross multiply
    3,342.30x = 4,612.05 × 1,997.64
  4. Step 4: Simplify right side
    3,342.30x = 9,213,215.56
  5. Step 5: Solve for x
    x = 9,213,215.56/3,342.30
  6. Step 6: Final answer
    x = 2,756.55

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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.