Home / 3,738.68-5,157.60-2,411.72

Finding the Fourth Proportional to 3,738.68, 5,157.60 and 2,411.72

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Solution

The fourth proportional to 3,738.68, 5,157.60 and 2,411.72 is: 3,327.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,738.68 : 5,157.60 = 2,411.72 : x
  2. Step 2: Convert to fraction form
    3,738.68/5,157.60 = 2,411.72/x
  3. Step 3: Cross multiply
    3,738.68x = 5,157.60 × 2,411.72
  4. Step 4: Simplify right side
    3,738.68x = 12,438,687.07
  5. Step 5: Solve for x
    x = 12,438,687.07/3,738.68
  6. Step 6: Final answer
    x = 3,327.03

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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.