Home / 3,459.12-5,198.81-2,877.95

Finding the Fourth Proportional to 3,459.12, 5,198.81 and 2,877.95

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Solution

The fourth proportional to 3,459.12, 5,198.81 and 2,877.95 is: 4,325.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459.12 : 5,198.81 = 2,877.95 : x
  2. Step 2: Convert to fraction form
    3,459.12/5,198.81 = 2,877.95/x
  3. Step 3: Cross multiply
    3,459.12x = 5,198.81 × 2,877.95
  4. Step 4: Simplify right side
    3,459.12x = 14,961,874.86
  5. Step 5: Solve for x
    x = 14,961,874.86/3,459.12
  6. Step 6: Final answer
    x = 4,325.34

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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.