Home / 3,190.30-4,779.14-2,951.06

Finding the Fourth Proportional to 3,190.30, 4,779.14 and 2,951.06

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Solution

The fourth proportional to 3,190.30, 4,779.14 and 2,951.06 is: 4,420.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.30 : 4,779.14 = 2,951.06 : x
  2. Step 2: Convert to fraction form
    3,190.30/4,779.14 = 2,951.06/x
  3. Step 3: Cross multiply
    3,190.30x = 4,779.14 × 2,951.06
  4. Step 4: Simplify right side
    3,190.30x = 14,103,528.89
  5. Step 5: Solve for x
    x = 14,103,528.89/3,190.30
  6. Step 6: Final answer
    x = 4,420.75

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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.