Home / 3,238.41-4,470.36-2,191.08

Finding the Fourth Proportional to 3,238.41, 4,470.36 and 2,191.08

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Solution

The fourth proportional to 3,238.41, 4,470.36 and 2,191.08 is: 3,024.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,238.41 : 4,470.36 = 2,191.08 : x
  2. Step 2: Convert to fraction form
    3,238.41/4,470.36 = 2,191.08/x
  3. Step 3: Cross multiply
    3,238.41x = 4,470.36 × 2,191.08
  4. Step 4: Simplify right side
    3,238.41x = 9,794,916.39
  5. Step 5: Solve for x
    x = 9,794,916.39/3,238.41
  6. Step 6: Final answer
    x = 3,024.61

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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.