Home / 3,231.24-4,823.63-2,739.30

Finding the Fourth Proportional to 3,231.24, 4,823.63 and 2,739.30

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Solution

The fourth proportional to 3,231.24, 4,823.63 and 2,739.30 is: 4,089.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.24 : 4,823.63 = 2,739.30 : x
  2. Step 2: Convert to fraction form
    3,231.24/4,823.63 = 2,739.30/x
  3. Step 3: Cross multiply
    3,231.24x = 4,823.63 × 2,739.30
  4. Step 4: Simplify right side
    3,231.24x = 13,213,355.96
  5. Step 5: Solve for x
    x = 13,213,355.96/3,231.24
  6. Step 6: Final answer
    x = 4,089.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.