Home / 4,254.12-6,380.64-1,658.88

Finding the Fourth Proportional to 4,254.12, 6,380.64 and 1,658.88

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Solution

The fourth proportional to 4,254.12, 6,380.64 and 1,658.88 is: 2,488.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,254.12 : 6,380.64 = 1,658.88 : x
  2. Step 2: Convert to fraction form
    4,254.12/6,380.64 = 1,658.88/x
  3. Step 3: Cross multiply
    4,254.12x = 6,380.64 × 1,658.88
  4. Step 4: Simplify right side
    4,254.12x = 10,584,716.08
  5. Step 5: Solve for x
    x = 10,584,716.08/4,254.12
  6. Step 6: Final answer
    x = 2,488.11

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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.