Home / 3,188.97-4,779.14-2,808.81

Finding the Fourth Proportional to 3,188.97, 4,779.14 and 2,808.81

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Solution

The fourth proportional to 3,188.97, 4,779.14 and 2,808.81 is: 4,209.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188.97 : 4,779.14 = 2,808.81 : x
  2. Step 2: Convert to fraction form
    3,188.97/4,779.14 = 2,808.81/x
  3. Step 3: Cross multiply
    3,188.97x = 4,779.14 × 2,808.81
  4. Step 4: Simplify right side
    3,188.97x = 13,423,682.18
  5. Step 5: Solve for x
    x = 13,423,682.18/3,188.97
  6. Step 6: Final answer
    x = 4,209.41

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1.5x scale

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.