Home / 3,741.47-5,615.85-2,855.69

Finding the Fourth Proportional to 3,741.47, 5,615.85 and 2,855.69

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Solution

The fourth proportional to 3,741.47, 5,615.85 and 2,855.69 is: 4,286.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,741.47 : 5,615.85 = 2,855.69 : x
  2. Step 2: Convert to fraction form
    3,741.47/5,615.85 = 2,855.69/x
  3. Step 3: Cross multiply
    3,741.47x = 5,615.85 × 2,855.69
  4. Step 4: Simplify right side
    3,741.47x = 16,037,126.69
  5. Step 5: Solve for x
    x = 16,037,126.69/3,741.47
  6. Step 6: Final answer
    x = 4,286.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.