Home / 3,926.34-5,414.55-2,653.02

Finding the Fourth Proportional to 3,926.34, 5,414.55 and 2,653.02

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Solution

The fourth proportional to 3,926.34, 5,414.55 and 2,653.02 is: 3,658.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926.34 : 5,414.55 = 2,653.02 : x
  2. Step 2: Convert to fraction form
    3,926.34/5,414.55 = 2,653.02/x
  3. Step 3: Cross multiply
    3,926.34x = 5,414.55 × 2,653.02
  4. Step 4: Simplify right side
    3,926.34x = 14,364,899.49
  5. Step 5: Solve for x
    x = 14,364,899.49/3,926.34
  6. Step 6: Final answer
    x = 3,658.60

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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.