Home / 3,189.30-4,777.64-2,950.06

Finding the Fourth Proportional to 3,189.30, 4,777.64 and 2,950.06

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Solution

The fourth proportional to 3,189.30, 4,777.64 and 2,950.06 is: 4,419.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189.30 : 4,777.64 = 2,950.06 : x
  2. Step 2: Convert to fraction form
    3,189.30/4,777.64 = 2,950.06/x
  3. Step 3: Cross multiply
    3,189.30x = 4,777.64 × 2,950.06
  4. Step 4: Simplify right side
    3,189.30x = 14,094,324.66
  5. Step 5: Solve for x
    x = 14,094,324.66/3,189.30
  6. Step 6: Final answer
    x = 4,419.25

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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.