Home / 3,221.32-4,447.93-2,474.10

Finding the Fourth Proportional to 3,221.32, 4,447.93 and 2,474.10

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Solution

The fourth proportional to 3,221.32, 4,447.93 and 2,474.10 is: 3,416.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221.32 : 4,447.93 = 2,474.10 : x
  2. Step 2: Convert to fraction form
    3,221.32/4,447.93 = 2,474.10/x
  3. Step 3: Cross multiply
    3,221.32x = 4,447.93 × 2,474.10
  4. Step 4: Simplify right side
    3,221.32x = 11,004,623.61
  5. Step 5: Solve for x
    x = 11,004,623.61/3,221.32
  6. Step 6: Final answer
    x = 3,416.18

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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.