Home / 3,215.50-4,439.41-2,468.07

Finding the Fourth Proportional to 3,215.50, 4,439.41 and 2,468.07

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Solution

The fourth proportional to 3,215.50, 4,439.41 and 2,468.07 is: 3,407.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.50 : 4,439.41 = 2,468.07 : x
  2. Step 2: Convert to fraction form
    3,215.50/4,439.41 = 2,468.07/x
  3. Step 3: Cross multiply
    3,215.50x = 4,439.41 × 2,468.07
  4. Step 4: Simplify right side
    3,215.50x = 10,956,768.47
  5. Step 5: Solve for x
    x = 10,956,768.47/3,215.50
  6. Step 6: Final answer
    x = 3,407.49

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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.