Home / 3,311.12-4,967.08-2,868.86

Finding the Fourth Proportional to 3,311.12, 4,967.08 and 2,868.86

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Solution

The fourth proportional to 3,311.12, 4,967.08 and 2,868.86 is: 4,303.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311.12 : 4,967.08 = 2,868.86 : x
  2. Step 2: Convert to fraction form
    3,311.12/4,967.08 = 2,868.86/x
  3. Step 3: Cross multiply
    3,311.12x = 4,967.08 × 2,868.86
  4. Step 4: Simplify right side
    3,311.12x = 14,249,857.13
  5. Step 5: Solve for x
    x = 14,249,857.13/3,311.12
  6. Step 6: Final answer
    x = 4,303.64

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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.