Home / 3,926.42-5,419.88-2,600.55

Finding the Fourth Proportional to 3,926.42, 5,419.88 and 2,600.55

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Solution

The fourth proportional to 3,926.42, 5,419.88 and 2,600.55 is: 3,589.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926.42 : 5,419.88 = 2,600.55 : x
  2. Step 2: Convert to fraction form
    3,926.42/5,419.88 = 2,600.55/x
  3. Step 3: Cross multiply
    3,926.42x = 5,419.88 × 2,600.55
  4. Step 4: Simplify right side
    3,926.42x = 14,094,655.93
  5. Step 5: Solve for x
    x = 14,094,655.93/3,926.42
  6. Step 6: Final answer
    x = 3,589.70

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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.