Home / 3,845.42-5,301.15-2,739.50

Finding the Fourth Proportional to 3,845.42, 5,301.15 and 2,739.50

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Solution

The fourth proportional to 3,845.42, 5,301.15 and 2,739.50 is: 3,776.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845.42 : 5,301.15 = 2,739.50 : x
  2. Step 2: Convert to fraction form
    3,845.42/5,301.15 = 2,739.50/x
  3. Step 3: Cross multiply
    3,845.42x = 5,301.15 × 2,739.50
  4. Step 4: Simplify right side
    3,845.42x = 14,522,500.43
  5. Step 5: Solve for x
    x = 14,522,500.43/3,845.42
  6. Step 6: Final answer
    x = 3,776.57

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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.