Home / 3,342.26-4,612.86-1,997.45

Finding the Fourth Proportional to 3,342.26, 4,612.86 and 1,997.45

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Solution

The fourth proportional to 3,342.26, 4,612.86 and 1,997.45 is: 2,756.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,342.26 : 4,612.86 = 1,997.45 : x
  2. Step 2: Convert to fraction form
    3,342.26/4,612.86 = 1,997.45/x
  3. Step 3: Cross multiply
    3,342.26x = 4,612.86 × 1,997.45
  4. Step 4: Simplify right side
    3,342.26x = 9,213,934.14
  5. Step 5: Solve for x
    x = 9,213,934.14/3,342.26
  6. Step 6: Final answer
    x = 2,756.80

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Double scale
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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.