Home / 3,213.36-4,432.58-2,331.27

Finding the Fourth Proportional to 3,213.36, 4,432.58 and 2,331.27

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Solution

The fourth proportional to 3,213.36, 4,432.58 and 2,331.27 is: 3,215.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.36 : 4,432.58 = 2,331.27 : x
  2. Step 2: Convert to fraction form
    3,213.36/4,432.58 = 2,331.27/x
  3. Step 3: Cross multiply
    3,213.36x = 4,432.58 × 2,331.27
  4. Step 4: Simplify right side
    3,213.36x = 10,333,529.12
  5. Step 5: Solve for x
    x = 10,333,529.12/3,213.36
  6. Step 6: Final answer
    x = 3,215.80

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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.