Home / 4,157.24-5,736.20-2,478.80

Finding the Fourth Proportional to 4,157.24, 5,736.20 and 2,478.80

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Solution

The fourth proportional to 4,157.24, 5,736.20 and 2,478.80 is: 3,420.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,157.24 : 5,736.20 = 2,478.80 : x
  2. Step 2: Convert to fraction form
    4,157.24/5,736.20 = 2,478.80/x
  3. Step 3: Cross multiply
    4,157.24x = 5,736.20 × 2,478.80
  4. Step 4: Simplify right side
    4,157.24x = 14,218,892.56
  5. Step 5: Solve for x
    x = 14,218,892.56/4,157.24
  6. Step 6: Final answer
    x = 3,420.27

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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.