Home / 2,416.64-3,331.20-1,716.80

Finding the Fourth Proportional to 2,416.64, 3,331.20 and 1,716.80

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Solution

The fourth proportional to 2,416.64, 3,331.20 and 1,716.80 is: 2,366.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,416.64 : 3,331.20 = 1,716.80 : x
  2. Step 2: Convert to fraction form
    2,416.64/3,331.20 = 1,716.80/x
  3. Step 3: Cross multiply
    2,416.64x = 3,331.20 × 1,716.80
  4. Step 4: Simplify right side
    2,416.64x = 5,719,004.16
  5. Step 5: Solve for x
    x = 5,719,004.16/2,416.64
  6. Step 6: Final answer
    x = 2,366.51

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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.