Home / 3,190.29-4,779.78-2,723.32

Finding the Fourth Proportional to 3,190.29, 4,779.78 and 2,723.32

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Solution

The fourth proportional to 3,190.29, 4,779.78 and 2,723.32 is: 4,080.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.29 : 4,779.78 = 2,723.32 : x
  2. Step 2: Convert to fraction form
    3,190.29/4,779.78 = 2,723.32/x
  3. Step 3: Cross multiply
    3,190.29x = 4,779.78 × 2,723.32
  4. Step 4: Simplify right side
    3,190.29x = 13,016,870.47
  5. Step 5: Solve for x
    x = 13,016,870.47/3,190.29
  6. Step 6: Final answer
    x = 4,080.15

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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.