Home / 3,342.28-4,612.89-3,194.64

Finding the Fourth Proportional to 3,342.28, 4,612.89 and 3,194.64

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Solution

The fourth proportional to 3,342.28, 4,612.89 and 3,194.64 is: 4,409.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,342.28 : 4,612.89 = 3,194.64 : x
  2. Step 2: Convert to fraction form
    3,342.28/4,612.89 = 3,194.64/x
  3. Step 3: Cross multiply
    3,342.28x = 4,612.89 × 3,194.64
  4. Step 4: Simplify right side
    3,342.28x = 14,736,522.91
  5. Step 5: Solve for x
    x = 14,736,522.91/3,342.28
  6. Step 6: Final answer
    x = 4,409.12

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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.